39281351041664 has 16 divisors (see below), whose sum is σ = 78255816528570. Its totient is φ = 19640675520768.

The previous prime is 39281351041651. The next prime is 39281351041687. The reversal of 39281351041664 is 46614015318293.

39281351041664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 39258244609600 + 23106432064 = 6265640^2 + 152008^2 .

It is a tau number, because it is divible by the number of its divisors (16).

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 as a sum of consecutive naturals, namely, 153442777379 + ... + 153442777634.

Almost surely, 2^{39281351041664} is an apocalyptic number.

It is an amenable number.

39281351041664 is a deficient number, since it is larger than the sum of its proper divisors (38974465486906).

39281351041664 is an equidigital number, since it uses as much as digits as its factorization.

39281351041664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306885555027 (or 306885555015 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 39281351041664 in words is "thirty-nine trillion, two hundred eighty-one billion, three hundred fifty-one million, forty-one thousand, six hundred sixty-four".