2573278492 has 6 divisors (see below), whose sum is σ = 4503237368. Its totient is φ = 1286639244.

The previous prime is 2573278483. The next prime is 2573278493. The reversal of 2573278492 is 2948723752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2573278493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321659808 + ... + 321659815.

Almost surely, 2^2573278492 is an apocalyptic number.

It is an amenable number.

2573278492 is a deficient number, since it is larger than the sum of its proper divisors (1929958876).

2573278492 is a wasteful number, since it uses less digits than its factorization.

2573278492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643319627 (or 643319625 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 49.

The square root of 2573278492 is about 50727.4924671031. The cubic root of 2573278492 is about 1370.3418778449.

The spelling of 2573278492 in words is "two billion, five hundred seventy-three million, two hundred seventy-eight thousand, four hundred ninety-two".