3699534861 has 12 divisors (see below), whose sum is σ = 5829570240. Its totient is φ = 2242142280.

The previous prime is 3699534841. The next prime is 3699534863. The reversal of 3699534861 is 1684359963.

It is not a de Polignac number, because 3699534861 - 2²³ = 3691146253 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3699534798 and 3699534807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3699534863) 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, 18684421 + ... + 18684618.

It is an arithmetic number, because the mean of its divisors is an integer number (485797520).

Almost surely, 2^3699534861 is an apocalyptic number.

It is an amenable number.

3699534861 is a deficient number, since it is larger than the sum of its proper divisors (2130035379).

3699534861 is a wasteful number, since it uses less digits than its factorization.

3699534861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37369056 (or 37369053 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 3699534861 is about 60823.8017637832. The cubic root of 3699534861 is about 1546.6155583206.

The spelling of 3699534861 in words is "three billion, six hundred ninety-nine million, five hundred thirty-four thousand, eight hundred sixty-one".