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3805796849 is a prime number
BaseRepresentation
bin1110001011010111…
…1101100111110001
3100211020021111210212
43202311331213301
530243240444344
61425351233505
7163211511431
oct34265754761
910736244725
103805796849
111683300558
128a2678895
13488616aca
142816402c1
151741b379e
hexe2d7d9f1

3805796849 has 2 divisors, whose sum is σ = 3805796850. Its totient is φ = 3805796848.

The previous prime is 3805796789. The next prime is 3805796873. The reversal of 3805796849 is 9486975083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3296482225 + 509314624 = 57415^2 + 22568^2 .

It is an emirp because it is prime and its reverse (9486975083) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3805796849 is a prime.

It is not a weakly prime, because it can be changed into another prime (3805796249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1902898424 + 1902898425.

It is an arithmetic number, because the mean of its divisors is an integer number (1902898425).

Almost surely, 23805796849 is an apocalyptic number.

It is an amenable number.

3805796849 is a deficient number, since it is larger than the sum of its proper divisors (1).

3805796849 is an equidigital number, since it uses as much as digits as its factorization.

3805796849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 59.

The square root of 3805796849 is about 61691.1407659155. The cubic root of 3805796849 is about 1561.2838501226.

The spelling of 3805796849 in words is "three billion, eight hundred five million, seven hundred ninety-six thousand, eight hundred forty-nine".