39147039979756 has 6 divisors (see below), whose sum is σ = 68507319964580. Its totient is φ = 19573519989876.

The previous prime is 39147039979739. The next prime is 39147039979777. The reversal of 39147039979756 is 65797993074193.

39147039979756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×39147039979756² (a number of 28 digits) contains 22 as substring.

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, 4893379997466 + ... + 4893379997473.

Almost surely, 2^{39147039979756} is an apocalyptic number.

It is an amenable number.

39147039979756 is a deficient number, since it is larger than the sum of its proper divisors (29360279984824).

39147039979756 is a wasteful number, since it uses less digits than its factorization.

39147039979756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9786759994943 (or 9786759994941 counting only the distinct ones).

The product of its (nonzero) digits is 2430456840, while the sum is 79.

The spelling of 39147039979756 in words is "thirty-nine trillion, one hundred forty-seven billion, thirty-nine million, nine hundred seventy-nine thousand, seven hundred fifty-six".