3697788213 has 16 divisors (see below), whose sum is σ = 6260805760. Its totient is φ = 2113021728.

The previous prime is 3697788169. The next prime is 3697788229. The reversal of 3697788213 is 3128877963.

It is not a de Polignac number, because 3697788213 - 2⁹ = 3697787701 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3697788213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3697788233) 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, 9782320 + ... + 9782697.

It is an arithmetic number, because the mean of its divisors is an integer number (391300360).

Almost surely, 2^3697788213 is an apocalyptic number.

It is an amenable number.

3697788213 is a deficient number, since it is larger than the sum of its proper divisors (2563017547).

3697788213 is a wasteful number, since it uses less digits than its factorization.

3697788213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19565033 (or 19565027 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 3697788213 is about 60809.4418079956. The cubic root of 3697788213 is about 1546.3721206707.

The spelling of 3697788213 in words is "three billion, six hundred ninety-seven million, seven hundred eighty-eight thousand, two hundred thirteen".