2492743679 has 4 divisors (see below), whose sum is σ = 2507152776. Its totient is φ = 2478334584.

The previous prime is 2492743621. The next prime is 2492743699. The reversal of 2492743679 is 9763472942.

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

It is a cyclic number.

It is not a de Polignac number, because 2492743679 - 2⁸ = 2492743423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2492743679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2492743619) 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, 7204289 + ... + 7204634.

It is an arithmetic number, because the mean of its divisors is an integer number (626788194).

Almost surely, 2^2492743679 is an apocalyptic number.

2492743679 is a deficient number, since it is larger than the sum of its proper divisors (14409097).

2492743679 is a wasteful number, since it uses less digits than its factorization.

2492743679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14409096.

The product of its digits is 4572288, while the sum is 53.

The square root of 2492743679 is about 49927.3840592515. The cubic root of 2492743679 is about 1355.8944234259.

The spelling of 2492743679 in words is "two billion, four hundred ninety-two million, seven hundred forty-three thousand, six hundred seventy-nine".