1958158038813 has 32 divisors (see below), whose sum is σ = 2795818654080. Its totient is φ = 1214713251840.

The previous prime is 1958158038773. The next prime is 1958158038829. The reversal of 1958158038813 is 3188308518591.

It is not a de Polignac number, because 1958158038813 - 2¹⁰ = 1958158037789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1958158038853) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59158398 + ... + 59191488.

It is an arithmetic number, because the mean of its divisors is an integer number (87369332940).

Almost surely, 2^{1958158038813} is an apocalyptic number.

It is an amenable number.

1958158038813 is a deficient number, since it is larger than the sum of its proper divisors (837660615267).

1958158038813 is a wasteful number, since it uses less digits than its factorization.

1958158038813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46237.

The product of its (nonzero) digits is 8294400, while the sum is 60.

The spelling of 1958158038813 in words is "one trillion, nine hundred fifty-eight billion, one hundred fifty-eight million, thirty-eight thousand, eight hundred thirteen".