2894138637 has 16 divisors (see below), whose sum is σ = 4156705728. Its totient is φ = 1780571520.

The previous prime is 2894138609. The next prime is 2894138647. The reversal of 2894138637 is 7368314982.

It is not a de Polignac number, because 2894138637 - 2⁶ = 2894138573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2894138637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2894138647) 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, 234337 + ... + 246377.

It is an arithmetic number, because the mean of its divisors is an integer number (259794108).

Almost surely, 2^2894138637 is an apocalyptic number.

It is an amenable number.

2894138637 is a deficient number, since it is larger than the sum of its proper divisors (1262567091).

2894138637 is a wasteful number, since it uses less digits than its factorization.

2894138637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18220.

The product of its digits is 1741824, while the sum is 51.

The square root of 2894138637 is about 53797.1991557181. The cubic root of 2894138637 is about 1425.0817455106.

The spelling of 2894138637 in words is "two billion, eight hundred ninety-four million, one hundred thirty-eight thousand, six hundred thirty-seven".