1958856364454 has 24 divisors (see below), whose sum is σ = 3241097093640. Its totient is φ = 887242973760.

The previous prime is 1958856364427. The next prime is 1958856364469. The reversal of 1958856364454 is 4544636588591.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14232659 + ... + 14369630.

It is an arithmetic number, because the mean of its divisors is an integer number (135045712235).

Almost surely, 2^{1958856364454} is an apocalyptic number.

1958856364454 is a deficient number, since it is larger than the sum of its proper divisors (1282240729186).

1958856364454 is a wasteful number, since it uses less digits than its factorization.

1958856364454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28602596 (or 28602585 counting only the distinct ones).

The product of its digits is 497664000, while the sum is 68.

The spelling of 1958856364454 in words is "one trillion, nine hundred fifty-eight billion, eight hundred fifty-six million, three hundred sixty-four thousand, four hundred fifty-four".