3659791937472 has 280 divisors, whose sum is σ = 12457921175040. Its totient is φ = 1050657661440.

The previous prime is 3659791937447. The next prime is 3659791937519. The reversal of 3659791937472 is 2747391979563.

It is a happy number.

3659791937472 is a `hidden beast` number, since 3 + 6 + 59 + 79 + 1 + 9 + 37 + 472 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 3659791937472.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 605488 + ... + 2772399.

Almost surely, 2^{3659791937472} is an apocalyptic number.

3659791937472 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 3659791937472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6228960587520).

3659791937472 is an abundant number, since it is smaller than the sum of its proper divisors (8798129237568).

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

3659791937472 is a wasteful number, since it uses less digits than its factorization.

3659791937472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377941 (or 3377922 counting only the distinct ones).

The product of its digits is 540101520, while the sum is 72.

The spelling of 3659791937472 in words is "three trillion, six hundred fifty-nine billion, seven hundred ninety-one million, nine hundred thirty-seven thousand, four hundred seventy-two".