3981826724652 has 96 divisors (see below), whose sum is σ = 11823269552640. Its totient is φ = 1135228564800.

The previous prime is 3981826724621. The next prime is 3981826724663. The reversal of 3981826724652 is 2564276281893.

3981826724652 is a `hidden beast` number, since 3 + 9 + 81 + 8 + 26 + 72 + 465 + 2 = 666.

It is a super-2 number, since 2×3981826724652² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 3981826724652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5286099 + ... + 5992202.

It is an arithmetic number, because the mean of its divisors is an integer number (123159057840).

Almost surely, 2^{3981826724652} is an apocalyptic number.

It is an amenable number.

3981826724652 is an abundant number, since it is smaller than the sum of its proper divisors (7841442827988).

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

3981826724652 is a wasteful number, since it uses less digits than its factorization.

3981826724652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11278788 (or 11278780 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 63.

The spelling of 3981826724652 in words is "three trillion, nine hundred eighty-one billion, eight hundred twenty-six million, seven hundred twenty-four thousand, six hundred fifty-two".