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4640770481 is a prime number
BaseRepresentation
bin1000101001001110…
…01000100110110001
3102222102102120022012
410110213020212301
534001014123411
62044255452305
7223000620044
oct42447104661
912872376265
104640770481
111a71659606
12a96227095
1358c5c3749
143204b0c5b
151c264818b
hex1149c89b1

4640770481 has 2 divisors, whose sum is σ = 4640770482. Its totient is φ = 4640770480.

The previous prime is 4640770447. The next prime is 4640770487. The reversal of 4640770481 is 1840770464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4256257600 + 384512881 = 65240^2 + 19609^2 .

It is a cyclic number.

It is not a de Polignac number, because 4640770481 - 230 = 3567028657 is a prime.

It is a super-2 number, since 2×46407704812 = 43073501314641942722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4640770487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320385240 + 2320385241.

It is an arithmetic number, because the mean of its divisors is an integer number (2320385241).

Almost surely, 24640770481 is an apocalyptic number.

It is an amenable number.

4640770481 is a deficient number, since it is larger than the sum of its proper divisors (1).

4640770481 is an equidigital number, since it uses as much as digits as its factorization.

4640770481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 4640770481 is about 68123.2007542218. The cubic root of 4640770481 is about 1668.0024978780.

The spelling of 4640770481 in words is "four billion, six hundred forty million, seven hundred seventy thousand, four hundred eighty-one".