2174409797 has 4 divisors (see below), whose sum is σ = 2485039776. Its totient is φ = 1863779820.

The previous prime is 2174409793. The next prime is 2174409817. The reversal of 2174409797 is 7979044712.

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 not a de Polignac number, because 2174409797 - 2² = 2174409793 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 (2174409793) 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, 155314979 + ... + 155314992.

It is an arithmetic number, because the mean of its divisors is an integer number (621259944).

Almost surely, 2^2174409797 is an apocalyptic number.

It is an amenable number.

2174409797 is a deficient number, since it is larger than the sum of its proper divisors (310629979).

2174409797 is an equidigital number, since it uses as much as digits as its factorization.

2174409797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310629978.

The product of its (nonzero) digits is 889056, while the sum is 50.

The square root of 2174409797 is about 46630.5671957784. The cubic root of 2174409797 is about 1295.5289793443.

The spelling of 2174409797 in words is "two billion, one hundred seventy-four million, four hundred nine thousand, seven hundred ninety-seven".