2152354400957 has 2 divisors, whose sum is σ = 2152354400958. Its totient is φ = 2152354400956.

The previous prime is 2152354400947. The next prime is 2152354401017. The reversal of 2152354400957 is 7590044532512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1601918017561 + 550436383396 = 1265669^2 + 741914^2 .

It is a cyclic number.

It is not a de Polignac number, because 2152354400957 - 2²⁸ = 2152085965501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2152354400947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076177200478 + 1076177200479.

It is an arithmetic number, because the mean of its divisors is an integer number (1076177200479).

Almost surely, 2^{2152354400957} is an apocalyptic number.

It is an amenable number.

2152354400957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152354400957 is an equidigital number, since it uses as much as digits as its factorization.

2152354400957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 2152354400957 in words is "two trillion, one hundred fifty-two billion, three hundred fifty-four million, four hundred thousand, nine hundred fifty-seven".