3691669813037 has 4 divisors (see below), whose sum is σ = 3691681000476. Its totient is φ = 3691658625600.

The previous prime is 3691669813003. The next prime is 3691669813049. The reversal of 3691669813037 is 7303189661963.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 212471214916 + 3479198598121 = 460946^2 + 1865261^2 .

It is a cyclic number.

It is not a de Polignac number, because 3691669813037 - 2⁶ = 3691669812973 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 (3691669815037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5083214 + ... + 5763887.

It is an arithmetic number, because the mean of its divisors is an integer number (922920250119).

Almost surely, 2^{3691669813037} is an apocalyptic number.

It is an amenable number.

3691669813037 is a deficient number, since it is larger than the sum of its proper divisors (11187439).

3691669813037 is a wasteful number, since it uses less digits than its factorization.

3691669813037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11187438.

The product of its (nonzero) digits is 26453952, while the sum is 62.

The spelling of 3691669813037 in words is "three trillion, six hundred ninety-one billion, six hundred sixty-nine million, eight hundred thirteen thousand, thirty-seven".