3699856648144 has 30 divisors (see below), whose sum is σ = 7493695966946. Its totient is φ = 1769496653760.

The previous prime is 3699856648133. The next prime is 3699856648153. The reversal of 3699856648144 is 4418466589963.

It can be written as a sum of positive squares in only one way, i.e., 3640418208144 + 59438440000 = 1907988^2 + 243800^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 218555847 + ... + 218572774.

Almost surely, 2^{3699856648144} is an apocalyptic number.

It is an amenable number.

3699856648144 is an abundant number, since it is smaller than the sum of its proper divisors (3793839318802).

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

3699856648144 is a wasteful number, since it uses less digits than its factorization.

3699856648144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437128675 (or 437128646 counting only the distinct ones).

The product of its digits is 1074954240, while the sum is 73.

The spelling of 3699856648144 in words is "three trillion, six hundred ninety-nine billion, eight hundred fifty-six million, six hundred forty-eight thousand, one hundred forty-four".