2893849138 has 4 divisors (see below), whose sum is σ = 4340773710. Its totient is φ = 1446924568.

The previous prime is 2893849109. The next prime is 2893849183. The reversal of 2893849138 is 8319483982.

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

It can be written as a sum of positive squares in only one way, i.e., 2266997769 + 626851369 = 47613^2 + 25037^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723462283 + ... + 723462286.

Almost surely, 2^2893849138 is an apocalyptic number.

2893849138 is a deficient number, since it is larger than the sum of its proper divisors (1446924572).

2893849138 is a wasteful number, since it uses less digits than its factorization.

2893849138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446924571.

The product of its digits is 2985984, while the sum is 55.

The square root of 2893849138 is about 53794.5084372002. The cubic root of 2893849138 is about 1425.0342272275.

The spelling of 2893849138 in words is "two billion, eight hundred ninety-three million, eight hundred forty-nine thousand, one hundred thirty-eight".