2961235238957 has 2 divisors, whose sum is σ = 2961235238958. Its totient is φ = 2961235238956.

The previous prime is 2961235238939. The next prime is 2961235238981. The reversal of 2961235238957 is 7598325321692.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1676970610441 + 1284264628516 = 1294979^2 + 1133254^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2961235238957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2961235238957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2961235231957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1480617619478 + 1480617619479.

It is an arithmetic number, because the mean of its divisors is an integer number (1480617619479).

Almost surely, 2^{2961235238957} is an apocalyptic number.

It is an amenable number.

2961235238957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2961235238957 is an equidigital number, since it uses as much as digits as its factorization.

2961235238957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48988800, while the sum is 62.

The spelling of 2961235238957 in words is "two trillion, nine hundred sixty-one billion, two hundred thirty-five million, two hundred thirty-eight thousand, nine hundred fifty-seven".