4865620864 has 192 divisors, whose sum is σ = 11309356080. Its totient is φ = 2076672000.

The previous prime is 4865620861. The next prime is 4865620867. The reversal of 4865620864 is 4680265684.

It is an interprime number because it is at equal distance from previous prime (4865620861) and next prime (4865620867).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4865620861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37142079 + ... + 37142209.

Almost surely, 2^4865620864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4865620864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5654678040).

4865620864 is an abundant number, since it is smaller than the sum of its proper divisors (6443735216).

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

4865620864 is a wasteful number, since it uses less digits than its factorization.

4865620864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 49.

The square root of 4865620864 is about 69754.0024944806. The cubic root of 4865620864 is about 1694.5176171303.

The spelling of 4865620864 in words is "four billion, eight hundred sixty-five million, six hundred twenty thousand, eight hundred sixty-four".