2913204638 has 4 divisors (see below), whose sum is σ = 4369806960. Its totient is φ = 1456602318.

The previous prime is 2913204631. The next prime is 2913204661. The reversal of 2913204638 is 8364023192.

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

It is a super-2 number, since 2×2913204638² = 16973522525729422088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2913204631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728301158 + ... + 728301161.

It is an arithmetic number, because the mean of its divisors is an integer number (1092451740).

Almost surely, 2^2913204638 is an apocalyptic number.

2913204638 is a deficient number, since it is larger than the sum of its proper divisors (1456602322).

2913204638 is a wasteful number, since it uses less digits than its factorization.

2913204638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456602321.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 2913204638 is about 53974.1108124997. The cubic root of 2913204638 is about 1428.2042822382.

The spelling of 2913204638 in words is "two billion, nine hundred thirteen million, two hundred four thousand, six hundred thirty-eight".