3694144536 has 64 divisors (see below), whose sum is σ = 10277906400. Its totient is φ = 1229414400.

The previous prime is 3694144511. The next prime is 3694144579. The reversal of 3694144536 is 6354414963.

3694144536 is a `hidden beast` number, since 36 + 9 + 41 + 44 + 536 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 3694144491 and 3694144500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125116 + ... + 151796.

Almost surely, 2^3694144536 is an apocalyptic number.

3694144536 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3694144536 is an abundant number, since it is smaller than the sum of its proper divisors (6583761864).

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

3694144536 is a wasteful number, since it uses less digits than its factorization.

3694144536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27337 (or 27327 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The square root of 3694144536 is about 60779.4746275418. The cubic root of 3694144536 is about 1545.8640392722.

The spelling of 3694144536 in words is "three billion, six hundred ninety-four million, one hundred forty-four thousand, five hundred thirty-six".