2999872636 has 12 divisors (see below), whose sum is σ = 5430804120. Its totient is φ = 1448214320.

The previous prime is 2999872613. The next prime is 2999872637. The reversal of 2999872636 is 6362789992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2999872637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12930370 + ... + 12930601.

It is an arithmetic number, because the mean of its divisors is an integer number (452567010).

Almost surely, 2^2999872636 is an apocalyptic number.

It is an amenable number.

2999872636 is a deficient number, since it is larger than the sum of its proper divisors (2430931484).

2999872636 is a wasteful number, since it uses less digits than its factorization.

2999872636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25861004 (or 25861002 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 61.

The square root of 2999872636 is about 54771.0930692459. The cubic root of 2999872636 is about 1442.2291599436.

The spelling of 2999872636 in words is "two billion, nine hundred ninety-nine million, eight hundred seventy-two thousand, six hundred thirty-six".