3612404565 has 96 divisors (see below), whose sum is σ = 7828704000. Its totient is φ = 1497000960.

The previous prime is 3612404557. The next prime is 3612404569. The reversal of 3612404565 is 5654042163.

3612404565 is a `hidden beast` number, since 361 + 240 + 4 + 56 + 5 = 666.

It is not a de Polignac number, because 3612404565 - 2³ = 3612404557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3612404569) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1415911 + ... + 1418459.

It is an arithmetic number, because the mean of its divisors is an integer number (81549000).

Almost surely, 2^3612404565 is an apocalyptic number.

3612404565 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3612404565 is an abundant number, since it is smaller than the sum of its proper divisors (4216299435).

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

3612404565 is a wasteful number, since it uses less digits than its factorization.

3612404565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987 (or 2984 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 3612404565 is about 60103.2824810759. The cubic root of 3612404565 is about 1534.3771681216.

The spelling of 3612404565 in words is "three billion, six hundred twelve million, four hundred four thousand, five hundred sixty-five".