3644090451 has 12 divisors (see below), whose sum is σ = 5458637912. Its totient is φ = 2429393472.

The previous prime is 3644090377. The next prime is 3644090453. The reversal of 3644090451 is 1540904463.

3644090451 is a `hidden beast` number, since 3 + 644 + 0 + 9 + 0 + 4 + 5 + 1 = 666.

It is not a de Polignac number, because 3644090451 - 2¹⁴ = 3644074067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3644090453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7497886 + ... + 7498371.

Almost surely, 2^3644090451 is an apocalyptic number.

3644090451 is a deficient number, since it is larger than the sum of its proper divisors (1814547461).

3644090451 is an equidigital number, since it uses as much as digits as its factorization.

3644090451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14996272 (or 14996260 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 3644090451 is about 60366.3022803286. The cubic root of 3644090451 is about 1538.8503325607.

The spelling of 3644090451 in words is "three billion, six hundred forty-four million, ninety thousand, four hundred fifty-one".