2579742997 has 8 divisors (see below), whose sum is σ = 2898975744. Its totient is φ = 2277766128.

The previous prime is 2579742967. The next prime is 2579743063. The reversal of 2579742997 is 7992479752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2579742997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2579742967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4313653 + ... + 4314250.

It is an arithmetic number, because the mean of its divisors is an integer number (362371968).

Almost surely, 2^2579742997 is an apocalyptic number.

It is an amenable number.

2579742997 is a deficient number, since it is larger than the sum of its proper divisors (319232747).

2579742997 is a wasteful number, since it uses less digits than its factorization.

2579742997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8627939.

The product of its digits is 20003760, while the sum is 61.

The square root of 2579742997 is about 50791.1704629850. The cubic root of 2579742997 is about 1371.4884274321.

The spelling of 2579742997 in words is "two billion, five hundred seventy-nine million, seven hundred forty-two thousand, nine hundred ninety-seven".