4979521012 has 48 divisors (see below), whose sum is σ = 9102698640. Its totient is φ = 2381414400.

The previous prime is 4979520991. The next prime is 4979521021. The reversal of 4979521012 is 2101259794.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 842973156 + 4136547856 = 29034^2 + 64316^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4091028 + ... + 4092244.

It is an arithmetic number, because the mean of its divisors is an integer number (189639555).

Almost surely, 2^4979521012 is an apocalyptic number.

It is an amenable number.

4979521012 is a deficient number, since it is larger than the sum of its proper divisors (4123177628).

4979521012 is a wasteful number, since it uses less digits than its factorization.

4979521012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732 (or 1730 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 4979521012 is about 70565.7212249687. The cubic root of 4979521012 is about 1707.6381803003.

It can be divided in two parts, 49795 and 21012, that added together give a palindrome (70807).

The spelling of 4979521012 in words is "four billion, nine hundred seventy-nine million, five hundred twenty-one thousand, twelve".