15795955394 has 4 divisors (see below), whose sum is σ = 23693933094. Its totient is φ = 7897977696.

The previous prime is 15795955391. The next prime is 15795955403. The reversal of 15795955394 is 49355959751.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10756801225 + 5039154169 = 103715^2 + 70987^2 .

It is not an unprimeable number, because it can be changed into a prime (15795955391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3948988847 + ... + 3948988850.

Almost surely, 2^15795955394 is an apocalyptic number.

15795955394 is a deficient number, since it is larger than the sum of its proper divisors (7897977700).

15795955394 is an equidigital number, since it uses as much as digits as its factorization.

15795955394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7897977699.

The product of its digits is 38272500, while the sum is 62.

The spelling of 15795955394 in words is "fifteen billion, seven hundred ninety-five million, nine hundred fifty-five thousand, three hundred ninety-four".