1958200139594 has 16 divisors (see below), whose sum is σ = 2966506747776. Its totient is φ = 969365370000.

The previous prime is 1958200139557. The next prime is 1958200139629. The reversal of 1958200139594 is 4959310028591.

It is a super-2 number, since 2×1958200139594² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4949819 + ... + 5330769.

It is an arithmetic number, because the mean of its divisors is an integer number (185406671736).

Almost surely, 2^{1958200139594} is an apocalyptic number.

1958200139594 is a deficient number, since it is larger than the sum of its proper divisors (1008306608182).

1958200139594 is a wasteful number, since it uses less digits than its factorization.

1958200139594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406501.

The product of its (nonzero) digits is 3499200, while the sum is 56.

The spelling of 1958200139594 in words is "one trillion, nine hundred fifty-eight billion, two hundred million, one hundred thirty-nine thousand, five hundred ninety-four".