3644748834 has 16 divisors (see below), whose sum is σ = 7673155680. Its totient is φ = 1150973280.

The previous prime is 3644748829. The next prime is 3644748839. The reversal of 3644748834 is 4388474463.

3644748834 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3644748829) and next prime (3644748839).

It is not an unprimeable number, because it can be changed into a prime (3644748839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15985627 + ... + 15985854.

It is an arithmetic number, because the mean of its divisors is an integer number (479572230).

Almost surely, 2^3644748834 is an apocalyptic number.

3644748834 is an abundant number, since it is smaller than the sum of its proper divisors (4028406846).

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

3644748834 is a wasteful number, since it uses less digits than its factorization.

3644748834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31971505.

The product of its digits is 6193152, while the sum is 51.

The square root of 3644748834 is about 60371.7552668464. The cubic root of 3644748834 is about 1538.9430024054.

The spelling of 3644748834 in words is "three billion, six hundred forty-four million, seven hundred forty-eight thousand, eight hundred thirty-four".