2157434031058 has 16 divisors (see below), whose sum is σ = 3269669439960. Its totient is φ = 1067567423616.

The previous prime is 2157434031041. The next prime is 2157434031059. The reversal of 2157434031058 is 8501304347512.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1664030340729 + 493403690329 = 1289973^2 + 702427^2 .

It is not an unprimeable number, because it can be changed into a prime (2157434031059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5615035 + ... + 5986942.

Almost surely, 2^{2157434031058} is an apocalyptic number.

2157434031058 is a deficient number, since it is larger than the sum of its proper divisors (1112235408902).

2157434031058 is a wasteful number, since it uses less digits than its factorization.

2157434031058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11602941.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 2157434031058 in words is "two trillion, one hundred fifty-seven billion, four hundred thirty-four million, thirty-one thousand, fifty-eight".