13953590957 has 2 divisors, whose sum is σ = 13953590958. Its totient is φ = 13953590956.

The previous prime is 13953590933. The next prime is 13953591017. The reversal of 13953590957 is 75909535931.

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., 11309471716 + 2644119241 = 106346^2 + 51421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13953590957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13953590927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6976795478 + 6976795479.

It is an arithmetic number, because the mean of its divisors is an integer number (6976795479).

Almost surely, 2^13953590957 is an apocalyptic number.

It is an amenable number.

13953590957 is a deficient number, since it is larger than the sum of its proper divisors (1).

13953590957 is an equidigital number, since it uses as much as digits as its factorization.

13953590957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5740875, while the sum is 56.

The spelling of 13953590957 in words is "thirteen billion, nine hundred fifty-three million, five hundred ninety thousand, nine hundred fifty-seven".