7655045731 has 2 divisors, whose sum is σ = 7655045732. Its totient is φ = 7655045730.

The previous prime is 7655045689. The next prime is 7655045743. The reversal of 7655045731 is 1375405567.

It is a strong prime.

It is an emirp because it is prime and its reverse (1375405567) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7655045731 is a prime.

It is a super-2 number, since 2×7655045731² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7655045131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3827522865 + 3827522866.

It is an arithmetic number, because the mean of its divisors is an integer number (3827522866).

Almost surely, 2^7655045731 is an apocalyptic number.

7655045731 is a deficient number, since it is larger than the sum of its proper divisors (1).

7655045731 is an equidigital number, since it uses as much as digits as its factorization.

7655045731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 441000, while the sum is 43.

The square root of 7655045731 is about 87493.1181922327. The cubic root of 7655045731 is about 1970.8304478028.

The spelling of 7655045731 in words is "seven billion, six hundred fifty-five million, forty-five thousand, seven hundred thirty-one".