2167340457 has 4 divisors (see below), whose sum is σ = 2889787280. Its totient is φ = 1444893636.

The previous prime is 2167340449. The next prime is 2167340467. The reversal of 2167340457 is 7540437612.

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 2167340457 - 2³ = 2167340449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2167340437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361223407 + ... + 361223412.

It is an arithmetic number, because the mean of its divisors is an integer number (722446820).

Almost surely, 2^2167340457 is an apocalyptic number.

It is an amenable number.

2167340457 is a deficient number, since it is larger than the sum of its proper divisors (722446823).

2167340457 is an equidigital number, since it uses as much as digits as its factorization.

2167340457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722446822.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 2167340457 is about 46554.7039191530. The cubic root of 2167340457 is about 1294.1234672093.

The spelling of 2167340457 in words is "two billion, one hundred sixty-seven million, three hundred forty thousand, four hundred fifty-seven".