3645799804 has 24 divisors (see below), whose sum is σ = 6772867920. Its totient is φ = 1711247616.

The previous prime is 3645799783. The next prime is 3645799811. The reversal of 3645799804 is 4089975463.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42462 + ... + 95365.

It is an arithmetic number, because the mean of its divisors is an integer number (282202830).

Almost surely, 2^3645799804 is an apocalyptic number.

3645799804 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3645799804 is a deficient number, since it is larger than the sum of its proper divisors (3127068116).

3645799804 is a wasteful number, since it uses less digits than its factorization.

3645799804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138237 (or 138235 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 55.

The square root of 3645799804 is about 60380.4587925597. The cubic root of 3645799804 is about 1539.0909072010.

The spelling of 3645799804 in words is "three billion, six hundred forty-five million, seven hundred ninety-nine thousand, eight hundred four".