3913124512 has 72 divisors (see below), whose sum is σ = 8760244500. Its totient is φ = 1717309440.

The previous prime is 3913124503. The next prime is 3913124519. The reversal of 3913124512 is 2154213193.

It can be written as a sum of positive squares in 2 ways, for example, as 3586093456 + 327031056 = 59884^2 + 18084^2 .

It is not an unprimeable number, because it can be changed into a prime (3913124519) 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, 94864 + ... + 129712.

Almost surely, 2^3913124512 is an apocalyptic number.

3913124512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3913124512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4380122250).

3913124512 is an abundant number, since it is smaller than the sum of its proper divisors (4847119988).

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

3913124512 is a wasteful number, since it uses less digits than its factorization.

3913124512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34910 (or 34891 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 3913124512 is about 62554.9719207035. The cubic root of 3913124512 is about 1575.8246474489.

The spelling of 3913124512 in words is "three billion, nine hundred thirteen million, one hundred twenty-four thousand, five hundred twelve".