2164374864907 has 4 divisors (see below), whose sum is σ = 2164418899216. Its totient is φ = 2164330830600.

The previous prime is 2164374864901. The next prime is 2164374864989. The reversal of 2164374864907 is 7094684734612.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2164374864907 - 2¹⁹ = 2164374340619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2164374864901) 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, 21943344 + ... + 22041757.

It is an arithmetic number, because the mean of its divisors is an integer number (541104724804).

Almost surely, 2^{2164374864907} is an apocalyptic number.

2164374864907 is a deficient number, since it is larger than the sum of its proper divisors (44034309).

2164374864907 is an equidigital number, since it uses as much as digits as its factorization.

2164374864907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44034308.

The product of its (nonzero) digits is 48771072, while the sum is 61.

The spelling of 2164374864907 in words is "two trillion, one hundred sixty-four billion, three hundred seventy-four million, eight hundred sixty-four thousand, nine hundred seven".