1958040323317 has 16 divisors (see below), whose sum is σ = 2154464605440. Its totient is φ = 1768193324352.

The previous prime is 1958040323251. The next prime is 1958040323329. The reversal of 1958040323317 is 7133230408591.

It is not a de Polignac number, because 1958040323317 - 2⁷ = 1958040323189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1958040323357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702234 + ... + 2099812.

It is an arithmetic number, because the mean of its divisors is an integer number (134654037840).

Almost surely, 2^{1958040323317} is an apocalyptic number.

It is an amenable number.

1958040323317 is a deficient number, since it is larger than the sum of its proper divisors (196424282123).

1958040323317 is a wasteful number, since it uses less digits than its factorization.

1958040323317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399932.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 1958040323317 in words is "one trillion, nine hundred fifty-eight billion, forty million, three hundred twenty-three thousand, three hundred seventeen".