2492198797 has 4 divisors (see below), whose sum is σ = 2718762336. Its totient is φ = 2265635260.

The previous prime is 2492198791. The next prime is 2492198809. The reversal of 2492198797 is 7978912942.

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 2492198797 - 2³ = 2492198789 is a prime.

It is a super-2 number, since 2×2492198797² = 12422109687536494418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2492198791) 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, 113281753 + ... + 113281774.

It is an arithmetic number, because the mean of its divisors is an integer number (679690584).

Almost surely, 2^2492198797 is an apocalyptic number.

It is an amenable number.

2492198797 is a deficient number, since it is larger than the sum of its proper divisors (226563539).

2492198797 is a wasteful number, since it uses less digits than its factorization.

2492198797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226563538.

The product of its digits is 4572288, while the sum is 58.

The square root of 2492198797 is about 49921.9270160918. The cubic root of 2492198797 is about 1355.7956224797.

The spelling of 2492198797 in words is "two billion, four hundred ninety-two million, one hundred ninety-eight thousand, seven hundred ninety-seven".