3621437679 has 16 divisors (see below), whose sum is σ = 4893039360. Its totient is φ = 2382177600.

The previous prime is 3621437671. The next prime is 3621437707. The reversal of 3621437679 is 9767341263.

It is not a de Polignac number, because 3621437679 - 2³ = 3621437671 is a prime.

It is a super-2 number, since 2×3621437679² = 26229621725761814082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621437671) 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, 116104 + ... + 143954.

It is an arithmetic number, because the mean of its divisors is an integer number (305814960).

Almost surely, 2^3621437679 is an apocalyptic number.

3621437679 is a deficient number, since it is larger than the sum of its proper divisors (1271601681).

3621437679 is a wasteful number, since it uses less digits than its factorization.

3621437679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28430.

The product of its digits is 1143072, while the sum is 48.

The square root of 3621437679 is about 60178.3821567180. The cubic root of 3621437679 is about 1535.6550488973.

The spelling of 3621437679 in words is "three billion, six hundred twenty-one million, four hundred thirty-seven thousand, six hundred seventy-nine".