2164119493 has 4 divisors (see below), whose sum is σ = 2164672288. Its totient is φ = 2163566700.

The previous prime is 2164119491. The next prime is 2164119521. The reversal of 2164119493 is 3949114612.

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 2164119493 - 2¹ = 2164119491 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 (2164119491) 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, 270483 + ... + 278368.

It is an arithmetic number, because the mean of its divisors is an integer number (541168072).

Almost surely, 2^2164119493 is an apocalyptic number.

It is an amenable number.

2164119493 is a deficient number, since it is larger than the sum of its proper divisors (552795).

2164119493 is an equidigital number, since it uses as much as digits as its factorization.

2164119493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552794.

The product of its digits is 46656, while the sum is 40.

The square root of 2164119493 is about 46520.0977320556. The cubic root of 2164119493 is about 1293.4820679477.

It can be divided in two parts, 2164119 and 493, that added together give a palindrome (2164612).

The spelling of 2164119493 in words is "two billion, one hundred sixty-four million, one hundred nineteen thousand, four hundred ninety-three".