2938388909 has 16 divisors (see below), whose sum is σ = 3057613824. Its totient is φ = 2820787200.

The previous prime is 2938388899. The next prime is 2938388927. The reversal of 2938388909 is 9098838392.

It is a cyclic number.

It is not a de Polignac number, because 2938388909 - 2⁸ = 2938388653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2938388939) 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, 3954392 + ... + 3955134.

It is an arithmetic number, because the mean of its divisors is an integer number (191100864).

Almost surely, 2^2938388909 is an apocalyptic number.

It is an amenable number.

2938388909 is a deficient number, since it is larger than the sum of its proper divisors (119224915).

2938388909 is a wasteful number, since it uses less digits than its factorization.

2938388909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628.

The product of its (nonzero) digits is 6718464, while the sum is 59.

The square root of 2938388909 is about 54206.9083143468. The cubic root of 2938388909 is about 1432.3080254868.

The spelling of 2938388909 in words is "two billion, nine hundred thirty-eight million, three hundred eighty-eight thousand, nine hundred nine".