3691992042612 has 18 divisors (see below), whose sum is σ = 9332535441138. Its totient is φ = 1230664014192.

The previous prime is 3691992042587. The next prime is 3691992042617. The reversal of 3691992042612 is 2162402991963.

3691992042612 is a `hidden beast` number, since 3 + 6 + 9 + 19 + 9 + 2 + 0 + 4 + 2 + 612 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3215013958116 + 476978084496 = 1793046^2 + 690636^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3691992042617) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51277667223 + ... + 51277667294.

Almost surely, 2^{3691992042612} is an apocalyptic number.

It is an amenable number.

3691992042612 is an abundant number, since it is smaller than the sum of its proper divisors (5640543398526).

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

3691992042612 is a wasteful number, since it uses less digits than its factorization.

3691992042612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102555334527 (or 102555334522 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The spelling of 3691992042612 in words is "three trillion, six hundred ninety-one billion, nine hundred ninety-two million, forty-two thousand, six hundred twelve".