2164323497 has 16 divisors (see below), whose sum is σ = 2687692800. Its totient is φ = 1700799120.

The previous prime is 2164323487. The next prime is 2164323509. The reversal of 2164323497 is 7943234612.

It is a cyclic number.

It is not a de Polignac number, because 2164323497 - 2⁶ = 2164323433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2164323407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258347 + ... + 266592.

It is an arithmetic number, because the mean of its divisors is an integer number (167980800).

Almost surely, 2^2164323497 is an apocalyptic number.

It is an amenable number.

2164323497 is a deficient number, since it is larger than the sum of its proper divisors (523369303).

2164323497 is a wasteful number, since it uses less digits than its factorization.

2164323497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524996.

The product of its digits is 217728, while the sum is 41.

The square root of 2164323497 is about 46522.2903241016. The cubic root of 2164323497 is about 1293.5227106857.

The spelling of 2164323497 in words is "two billion, one hundred sixty-four million, three hundred twenty-three thousand, four hundred ninety-seven".