15427795338 has 12 divisors (see below), whose sum is σ = 33426889938. Its totient is φ = 5142598440.

The previous prime is 15427795309. The next prime is 15427795343. The reversal of 15427795338 is 83359772451.

15427795338 is a `hidden beast` number, since 1 + 542 + 7 + 7 + 95 + 3 + 3 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14827202289 + 600593049 = 121767^2 + 24507^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 428549853 + ... + 428549888.

Almost surely, 2^15427795338 is an apocalyptic number.

15427795338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

15427795338 is an abundant number, since it is smaller than the sum of its proper divisors (17999094600).

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

15427795338 is a wasteful number, since it uses less digits than its factorization.

15427795338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857099749 (or 857099746 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 54.

The spelling of 15427795338 in words is "fifteen billion, four hundred twenty-seven million, seven hundred ninety-five thousand, three hundred thirty-eight".