10243138958 has 32 divisors (see below), whose sum is σ = 16648934400. Its totient is φ = 4698451296.

The previous prime is 10243138949. The next prime is 10243138991. The reversal of 10243138958 is 85983134201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3845135 + ... + 3847797.

It is an arithmetic number, because the mean of its divisors is an integer number (520279200).

Almost surely, 2^10243138958 is an apocalyptic number.

10243138958 is a deficient number, since it is larger than the sum of its proper divisors (6405795442).

10243138958 is a wasteful number, since it uses less digits than its factorization.

10243138958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3536.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 10243138958 in words is "ten billion, two hundred forty-three million, one hundred thirty-eight thousand, nine hundred fifty-eight".