3959362691912 has 8 divisors (see below), whose sum is σ = 7423805047350. Its totient is φ = 1979681345952.

The previous prime is 3959362691897. The next prime is 3959362691923. The reversal of 3959362691912 is 2191962639593.

It can be written as a sum of positive squares in only one way, i.e., 2796299661796 + 1163063030116 = 1672214^2 + 1078454^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3959362691912² (a number of 26 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 247460168237 + ... + 247460168252.

Almost surely, 2^{3959362691912} is an apocalyptic number.

It is an amenable number.

3959362691912 is a deficient number, since it is larger than the sum of its proper divisors (3464442355438).

3959362691912 is a wasteful number, since it uses less digits than its factorization.

3959362691912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494920336495 (or 494920336491 counting only the distinct ones).

The product of its digits is 42515280, while the sum is 65.

The spelling of 3959362691912 in words is "three trillion, nine hundred fifty-nine billion, three hundred sixty-two million, six hundred ninety-one thousand, nine hundred twelve".