3521954684 has 12 divisors (see below), whose sum is σ = 6487811400. Its totient is φ = 1668294288.

The previous prime is 3521954669. The next prime is 3521954693. The reversal of 3521954684 is 4864591253.

It is a super-2 number, since 2×3521954684² = 24808329592299079712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23170679 + ... + 23170830.

It is an arithmetic number, because the mean of its divisors is an integer number (540650950).

Almost surely, 2^3521954684 is an apocalyptic number.

It is an amenable number.

3521954684 is a deficient number, since it is larger than the sum of its proper divisors (2965856716).

3521954684 is a wasteful number, since it uses less digits than its factorization.

3521954684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46341532 (or 46341530 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 47.

The square root of 3521954684 is about 59346.0587065392. The cubic root of 3521954684 is about 1521.4625068340.

The spelling of 3521954684 in words is "three billion, five hundred twenty-one million, nine hundred fifty-four thousand, six hundred eighty-four".