3691109082879 has 12 divisors (see below), whose sum is σ = 5346129539296. Its totient is φ = 2454034374432.

The previous prime is 3691109082877. The next prime is 3691109082887. The reversal of 3691109082879 is 9782809011963.

3691109082879 is a `hidden beast` number, since 369 + 110 + 9 + 0 + 82 + 87 + 9 = 666.

It is not a de Polignac number, because 3691109082879 - 2¹ = 3691109082877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3691109082877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 558747694 + ... + 558754299.

Almost surely, 2^{3691109082879} is an apocalyptic number.

3691109082879 is a deficient number, since it is larger than the sum of its proper divisors (1655020456417).

3691109082879 is a wasteful number, since it uses less digits than its factorization.

3691109082879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117502366 (or 1117502363 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 63.

The spelling of 3691109082879 in words is "three trillion, six hundred ninety-one billion, one hundred nine million, eighty-two thousand, eight hundred seventy-nine".