2104620636 has 12 divisors (see below), whose sum is σ = 4910781512. Its totient is φ = 701540208.

The previous prime is 2104620611. The next prime is 2104620641. The reversal of 2104620636 is 6360264012.

It is a tau number, because it is divible by the number of its divisors (12).

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, 87692515 + ... + 87692538.

Almost surely, 2^2104620636 is an apocalyptic number.

It is an amenable number.

2104620636 is an abundant number, since it is smaller than the sum of its proper divisors (2806160876).

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

2104620636 is a wasteful number, since it uses less digits than its factorization.

2104620636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175385060 (or 175385058 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 2104620636 is about 45876.1445197828. The cubic root of 2104620636 is about 1281.5176976368.

Adding to 2104620636 its reverse (6360264012), we get a palindrome (8464884648).

The spelling of 2104620636 in words is "two billion, one hundred four million, six hundred twenty thousand, six hundred thirty-six".