2157366430954 has 48 divisors (see below), whose sum is σ = 3832553527488. Its totient is φ = 907975719168.

The previous prime is 2157366430943. The next prime is 2157366431021. The reversal of 2157366430954 is 4590346637512.

It is a junction number, because it is equal to n+sod(n) for n = 2157366430895 and 2157366430904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 564282 + ... + 2152474.

It is an arithmetic number, because the mean of its divisors is an integer number (79844865156).

Almost surely, 2^{2157366430954} is an apocalyptic number.

2157366430954 is a deficient number, since it is larger than the sum of its proper divisors (1675187096534).

2157366430954 is a wasteful number, since it uses less digits than its factorization.

2157366430954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588459 (or 1588452 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 55.

The spelling of 2157366430954 in words is "two trillion, one hundred fifty-seven billion, three hundred sixty-six million, four hundred thirty thousand, nine hundred fifty-four".