42965526731 has 2 divisors, whose sum is σ = 42965526732. Its totient is φ = 42965526730.

The previous prime is 42965526727. The next prime is 42965526797. The reversal of 42965526731 is 13762556924.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42965526731 - 2² = 42965526727 is a prime.

It is a super-2 number, since 2×42965526731² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42965526731.

It is not a weakly prime, because it can be changed into another prime (42965526431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21482763365 + 21482763366.

It is an arithmetic number, because the mean of its divisors is an integer number (21482763366).

Almost surely, 2^42965526731 is an apocalyptic number.

42965526731 is a deficient number, since it is larger than the sum of its proper divisors (1).

42965526731 is an equidigital number, since it uses as much as digits as its factorization.

42965526731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 50.

The spelling of 42965526731 in words is "forty-two billion, nine hundred sixty-five million, five hundred twenty-six thousand, seven hundred thirty-one".