3621695532 has 48 divisors (see below), whose sum is σ = 10400769792. Its totient is φ = 955172160.

The previous prime is 3621695503. The next prime is 3621695543. The reversal of 3621695532 is 2355961263.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1657194 + ... + 1659377.

It is an arithmetic number, because the mean of its divisors is an integer number (216682704).

Almost surely, 2^3621695532 is an apocalyptic number.

It is an amenable number.

3621695532 is an abundant number, since it is smaller than the sum of its proper divisors (6779074260).

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

3621695532 is a wasteful number, since it uses less digits than its factorization.

3621695532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3316598 (or 3316596 counting only the distinct ones).

The product of its digits is 291600, while the sum is 42.

The square root of 3621695532 is about 60180.5245241349. The cubic root of 3621695532 is about 1535.6914951836.

It can be divided in two parts, 3621 and 695532, that added together give a triangular number (699153 = T₁₁₈₂).

The spelling of 3621695532 in words is "three billion, six hundred twenty-one million, six hundred ninety-five thousand, five hundred thirty-two".