15715728430 has 16 divisors (see below), whose sum is σ = 29263770720. Its totient is φ = 6069522592.

The previous prime is 15715728407. The next prime is 15715728439. The reversal of 15715728430 is 3482751751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15715728439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27095794 + ... + 27096373.

It is an arithmetic number, because the mean of its divisors is an integer number (1828985670).

Almost surely, 2^15715728430 is an apocalyptic number.

15715728430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15715728430 is a deficient number, since it is larger than the sum of its proper divisors (13548042290).

15715728430 is a wasteful number, since it uses less digits than its factorization.

15715728430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54192203.

The product of its (nonzero) digits is 235200, while the sum is 43.

The spelling of 15715728430 in words is "fifteen billion, seven hundred fifteen million, seven hundred twenty-eight thousand, four hundred thirty".