3669539499791 has 16 divisors (see below), whose sum is σ = 4013773682688. Its totient is φ = 3327085663200.

The previous prime is 3669539499763. The next prime is 3669539499797. The reversal of 3669539499791 is 1979949359663.

It is a cyclic number.

It is not a de Polignac number, because 3669539499791 - 2⁶ = 3669539499727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3669539499797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10286090 + ... + 10636856.

It is an arithmetic number, because the mean of its divisors is an integer number (250860855168).

Almost surely, 2^{3669539499791} is an apocalyptic number.

3669539499791 is a deficient number, since it is larger than the sum of its proper divisors (344234182897).

3669539499791 is a wasteful number, since it uses less digits than its factorization.

3669539499791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353302.

The product of its digits is 2678462640, while the sum is 80.

The spelling of 3669539499791 in words is "three trillion, six hundred sixty-nine billion, five hundred thirty-nine million, four hundred ninety-nine thousand, seven hundred ninety-one".