3922563645 has 128 divisors (see below), whose sum is σ = 9363271680. Its totient is φ = 1504707840.

The previous prime is 3922563643. The next prime is 3922563653. The reversal of 3922563645 is 5463652293.

3922563645 is a `hidden beast` number, since 3 + 9 + 2 + 2 + 5 + 636 + 4 + 5 = 666.

It is not a de Polignac number, because 3922563645 - 2¹ = 3922563643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3922563645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3922563643) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 120622 + ... + 149648.

It is an arithmetic number, because the mean of its divisors is an integer number (73150560).

Almost surely, 2^3922563645 is an apocalyptic number.

3922563645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3922563645 is an abundant number, since it is smaller than the sum of its proper divisors (5440708035).

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

3922563645 is a wasteful number, since it uses less digits than its factorization.

3922563645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29072 (or 29066 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 45.

The square root of 3922563645 is about 62630.3731826659. The cubic root of 3922563645 is about 1577.0906838774.

The spelling of 3922563645 in words is "three billion, nine hundred twenty-two million, five hundred sixty-three thousand, six hundred forty-five".