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2045795659769 is a prime number
BaseRepresentation
bin11101110001010010111…
…011000110111111111001
321020120120000110102001002
4131301102323012333321
5232004242142103034
64203454152534345
7300542503122101
oct35612273067771
97216500412032
102045795659769
11719687352894
122905a49b13b5
1311abc12689c4
1471034a78201
15383386d6e7e
hex1dc52ec6ff9

2045795659769 has 2 divisors, whose sum is σ = 2045795659770. Its totient is φ = 2045795659768.

The previous prime is 2045795659723. The next prime is 2045795659781. The reversal of 2045795659769 is 9679565975402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1731887584144 + 313908075625 = 1316012^2 + 560275^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045795659769 - 240 = 946284031993 is a prime.

It is a super-2 number, since 2×20457956597692 (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2045795659696 and 2045795659705.

It is not a weakly prime, because it can be changed into another prime (2045795659799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022897829884 + 1022897829885.

It is an arithmetic number, because the mean of its divisors is an integer number (1022897829885).

Almost surely, 22045795659769 is an apocalyptic number.

It is an amenable number.

2045795659769 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045795659769 is an equidigital number, since it uses as much as digits as its factorization.

2045795659769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1285956000, while the sum is 74.

The spelling of 2045795659769 in words is "two trillion, forty-five billion, seven hundred ninety-five million, six hundred fifty-nine thousand, seven hundred sixty-nine".