6936159172 has 6 divisors (see below), whose sum is σ = 12138278558. Its totient is φ = 3468079584.

The previous prime is 6936159169. The next prime is 6936159199. The reversal of 6936159172 is 2719516396.

It can be written as a sum of positive squares in only one way, i.e., 5999431936 + 936727236 = 77456^2 + 30606^2 .

It is a super-2 number, since 2×6936159172² = 96220608118639451168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 867019893 + ... + 867019900.

Almost surely, 2^6936159172 is an apocalyptic number.

It is an amenable number.

6936159172 is a deficient number, since it is larger than the sum of its proper divisors (5202119386).

6936159172 is a wasteful number, since it uses less digits than its factorization.

6936159172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734039797 (or 1734039795 counting only the distinct ones).

The product of its digits is 612360, while the sum is 49.

The square root of 6936159172 is about 83283.6068623352. The cubic root of 6936159172 is about 1907.0980274261.

The spelling of 6936159172 in words is "six billion, nine hundred thirty-six million, one hundred fifty-nine thousand, one hundred seventy-two".