264422027197 has 4 divisors (see below), whose sum is σ = 264988241856. Its totient is φ = 263855812540.

The previous prime is 264422027189. The next prime is 264422027227. The reversal of 264422027197 is 791720224462.

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 264422027197 - 2³ = 264422027189 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 (264422027117) 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, 283106629 + ... + 283107562.

It is an arithmetic number, because the mean of its divisors is an integer number (66247060464).

Almost surely, 2^264422027197 is an apocalyptic number.

It is an amenable number.

264422027197 is a deficient number, since it is larger than the sum of its proper divisors (566214659).

264422027197 is an equidigital number, since it uses as much as digits as its factorization.

264422027197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566214658.

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 264422027197 in words is "two hundred sixty-four billion, four hundred twenty-two million, twenty-seven thousand, one hundred ninety-seven".