4620644523 has 96 divisors (see below), whose sum is σ = 8163417600. Its totient is φ = 2482099200.

The previous prime is 4620644503. The next prime is 4620644537. The reversal of 4620644523 is 3254460264.

4620644523 is a `hidden beast` number, since 4 + 6 + 2 + 0 + 644 + 5 + 2 + 3 = 666.

It is not a de Polignac number, because 4620644523 - 2⁸ = 4620644267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4620644503) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7322418 + ... + 7323048.

It is an arithmetic number, because the mean of its divisors is an integer number (85035600).

Almost surely, 2^4620644523 is an apocalyptic number.

4620644523 is a deficient number, since it is larger than the sum of its proper divisors (3542773077).

4620644523 is a wasteful number, since it uses less digits than its factorization.

4620644523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The square root of 4620644523 is about 67975.3228973574. The cubic root of 4620644523 is about 1665.5877555924.

The spelling of 4620644523 in words is "four billion, six hundred twenty million, six hundred forty-four thousand, five hundred twenty-three".