15413475920 has 20 divisors (see below), whose sum is σ = 35836331700. Its totient is φ = 6165390336.

The previous prime is 15413475919. The next prime is 15413475941. The reversal of 15413475920 is 2957431451.

It can be written as a sum of positive squares in 2 ways, for example, as 10354283536 + 5059192384 = 101756^2 + 71128^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96334145 + ... + 96334304.

It is an arithmetic number, because the mean of its divisors is an integer number (1791816585).

Almost surely, 2^15413475920 is an apocalyptic number.

15413475920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15413475920 is an abundant number, since it is smaller than the sum of its proper divisors (20422855780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15413475920 is a wasteful number, since it uses less digits than its factorization.

15413475920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192668462 (or 192668456 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 15413475920 in words is "fifteen billion, four hundred thirteen million, four hundred seventy-five thousand, nine hundred twenty".