3639974333452 has 24 divisors (see below), whose sum is σ = 6478192239120. Its totient is φ = 1789064854080.

The previous prime is 3639974333423. The next prime is 3639974333453. The reversal of 3639974333452 is 2543334799363.

3639974333452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3639974333453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5537118 + ... + 6159514.

It is an arithmetic number, because the mean of its divisors is an integer number (269924676630).

Almost surely, 2^{3639974333452} is an apocalyptic number.

It is an amenable number.

3639974333452 is a deficient number, since it is larger than the sum of its proper divisors (2838217905668).

3639974333452 is a wasteful number, since it uses less digits than its factorization.

3639974333452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647241 (or 647239 counting only the distinct ones).

The product of its digits is 132269760, while the sum is 61.

The spelling of 3639974333452 in words is "three trillion, six hundred thirty-nine billion, nine hundred seventy-four million, three hundred thirty-three thousand, four hundred fifty-two".