2900138879 has 4 divisors (see below), whose sum is σ = 3163787880. Its totient is φ = 2636489880.

The previous prime is 2900138873. The next prime is 2900138887. The reversal of 2900138879 is 9788310092.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2900138879 - 2⁴ = 2900138863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2900138873) 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, 131824484 + ... + 131824505.

It is an arithmetic number, because the mean of its divisors is an integer number (790946970).

Almost surely, 2^2900138879 is an apocalyptic number.

2900138879 is a deficient number, since it is larger than the sum of its proper divisors (263649001).

2900138879 is a wasteful number, since it uses less digits than its factorization.

2900138879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263649000.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 2900138879 is about 53852.9375150511. The cubic root of 2900138879 is about 1426.0659108533.

It can be divided in two parts, 290013 and 8879, that added together give a palindrome (298892).

The spelling of 2900138879 in words is "two billion, nine hundred million, one hundred thirty-eight thousand, eight hundred seventy-nine".