3836205665742 has 16 divisors (see below), whose sum is σ = 7712164760400. Its totient is φ = 1272109650432.

The previous prime is 3836205665737. The next prime is 3836205665863. The reversal of 3836205665742 is 2475665026383.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1656391617 + ... + 1656393932.

It is an arithmetic number, because the mean of its divisors is an integer number (482010297525).

Almost surely, 2^{3836205665742} is an apocalyptic number.

3836205665742 is an abundant number, since it is smaller than the sum of its proper divisors (3875959094658).

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

3836205665742 is a wasteful number, since it uses less digits than its factorization.

3836205665742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312785747.

The product of its (nonzero) digits is 43545600, while the sum is 57.

The spelling of 3836205665742 in words is "three trillion, eight hundred thirty-six billion, two hundred five million, six hundred sixty-five thousand, seven hundred forty-two".