2999902905 has 64 divisors (see below), whose sum is σ = 5410944000. Its totient is φ = 1576786176.

The previous prime is 2999902879. The next prime is 2999902907. The reversal of 2999902905 is 5092099992.

It is not a de Polignac number, because 2999902905 - 2⁸ = 2999902649 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2999902907) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3516459 + ... + 3517311.

It is an arithmetic number, because the mean of its divisors is an integer number (84546000).

Almost surely, 2^2999902905 is an apocalyptic number.

It is an amenable number.

2999902905 is a deficient number, since it is larger than the sum of its proper divisors (2411041095).

2999902905 is a wasteful number, since it uses less digits than its factorization.

2999902905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215 (or 1209 counting only the distinct ones).

The product of its (nonzero) digits is 1180980, while the sum is 54.

The square root of 2999902905 is about 54771.3693913161. The cubic root of 2999902905 is about 1442.2340106704.

The spelling of 2999902905 in words is "two billion, nine hundred ninety-nine million, nine hundred two thousand, nine hundred five".