15493213431359 has 16 divisors (see below), whose sum is σ = 16336720224000. Its totient is φ = 14652523186560.

The previous prime is 15493213431347. The next prime is 15493213431383. The reversal of 15493213431359 is 95313431239451.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15493213431359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15493213431359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15493213431329) 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, 62594174 + ... + 62841204.

It is an arithmetic number, because the mean of its divisors is an integer number (1021045014000).

Almost surely, 2^{15493213431359} is an apocalyptic number.

15493213431359 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

15493213431359 is a deficient number, since it is larger than the sum of its proper divisors (843506792641).

15493213431359 is a wasteful number, since it uses less digits than its factorization.

15493213431359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252718.

The product of its digits is 5248800, while the sum is 53.

The spelling of 15493213431359 in words is "fifteen trillion, four hundred ninety-three billion, two hundred thirteen million, four hundred thirty-one thousand, three hundred fifty-nine".