15794428730 has 8 divisors (see below), whose sum is σ = 28429971732. Its totient is φ = 6317771488.

The previous prime is 15794428723. The next prime is 15794428733. The reversal of 15794428730 is 3782449751.

It can be written as a sum of positive squares in 2 ways, for example, as 14658671329 + 1135757401 = 121073^2 + 33701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (15794428733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789721427 + ... + 789721446.

Almost surely, 2^15794428730 is an apocalyptic number.

15794428730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15794428730 is a deficient number, since it is larger than the sum of its proper divisors (12635543002).

15794428730 is a wasteful number, since it uses less digits than its factorization.

15794428730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579442880.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 15794428730 in words is "fifteen billion, seven hundred ninety-four million, four hundred twenty-eight thousand, seven hundred thirty".