961270764931 has 2 divisors, whose sum is σ = 961270764932. Its totient is φ = 961270764930.

The previous prime is 961270764929. The next prime is 961270764973. The reversal of 961270764931 is 139467072169.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 961270764931 - 2¹ = 961270764929 is a prime.

It is a super-2 number, since 2×961270764931² (a number of 25 digits) contains 22 as substring.

Together with 961270764929, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (961270774931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480635382465 + 480635382466.

It is an arithmetic number, because the mean of its divisors is an integer number (480635382466).

Almost surely, 2^961270764931 is an apocalyptic number.

961270764931 is a deficient number, since it is larger than the sum of its proper divisors (1).

961270764931 is an equidigital number, since it uses as much as digits as its factorization.

961270764931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3429216, while the sum is 55.

The spelling of 961270764931 in words is "nine hundred sixty-one billion, two hundred seventy million, seven hundred sixty-four thousand, nine hundred thirty-one".