4644545937 has 12 divisors (see below), whose sum is σ = 6253478064. Its totient is φ = 3066281160.

The previous prime is 4644545929. The next prime is 4644545947. The reversal of 4644545937 is 7395454464.

It is not a de Polignac number, because 4644545937 - 2³ = 4644545929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4644545937.

It is not an unprimeable number, because it can be changed into a prime (4644545947) 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, 41139 + ... + 104792.

It is an arithmetic number, because the mean of its divisors is an integer number (521123172).

Almost surely, 2^4644545937 is an apocalyptic number.

It is an amenable number.

4644545937 is a deficient number, since it is larger than the sum of its proper divisors (1608932127).

4644545937 is a wasteful number, since it uses less digits than its factorization.

4644545937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146140 (or 146037 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 51.

The square root of 4644545937 is about 68150.9056212755. The cubic root of 4644545937 is about 1668.4547046173.

The spelling of 4644545937 in words is "four billion, six hundred forty-four million, five hundred forty-five thousand, nine hundred thirty-seven".