492878013 has 4 divisors (see below), whose sum is σ = 657170688. Its totient is φ = 328585340.

The previous prime is 492878003. The next prime is 492878027. The reversal of 492878013 is 310878294.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 492878013 - 2⁵ = 492877981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492878003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82146333 + ... + 82146338.

It is an arithmetic number, because the mean of its divisors is an integer number (164292672).

Almost surely, 2^492878013 is an apocalyptic number.

It is an amenable number.

492878013 is a deficient number, since it is larger than the sum of its proper divisors (164292675).

492878013 is a wasteful number, since it uses less digits than its factorization.

492878013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164292674.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 492878013 is about 22200.8561321405. The cubic root of 492878013 is about 789.9140070902.

The spelling of 492878013 in words is "four hundred ninety-two million, eight hundred seventy-eight thousand, thirteen".