3945983602500 has 1215 divisors, whose sum is σ = 14323232935011. Its totient is φ = 915356160000.

The previous prime is 3945983602493. The next prime is 3945983602537. The reversal of 3945983602500 is 52063895493.

The square root of 3945983602500 is 1986450.

It is a perfect power (a square), and thus also a powerful number.

3945983602500 is a `hidden beast` number, since 3 + 9 + 4 + 59 + 83 + 6 + 0 + 2 + 500 = 666.

It can be written as a sum of positive squares in 22 ways, for example, as 2859352485444 + 1086631117056 = 1690962^2 + 1042416^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 404 ways as a sum of consecutive naturals, for example, 96243502480 + ... + 96243502520.

Almost surely, 2^{3945983602500} is an apocalyptic number.

3945983602500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3945983602500 is the 1986450-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3945983602500

3945983602500 is an abundant number, since it is smaller than the sum of its proper divisors (10377249332511).

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

3945983602500 is a wasteful number, since it uses less digits than its factorization.

3945983602500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 54.

The spelling of 3945983602500 in words is "three trillion, nine hundred forty-five billion, nine hundred eighty-three million, six hundred two thousand, five hundred".