264011423891 has 4 divisors (see below), whose sum is σ = 264012593592. Its totient is φ = 264010254192.

The previous prime is 264011423849. The next prime is 264011423909. The reversal of 264011423891 is 198324110462.

264011423891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 264011423891 - 2⁶ = 264011423827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264014423891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126605 + ... + 737598.

It is an arithmetic number, because the mean of its divisors is an integer number (66003148398).

Almost surely, 2^264011423891 is an apocalyptic number.

264011423891 is a deficient number, since it is larger than the sum of its proper divisors (1169701).

264011423891 is an equidigital number, since it uses as much as digits as its factorization.

264011423891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169700.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 264011423891 in words is "two hundred sixty-four billion, eleven million, four hundred twenty-three thousand, eight hundred ninety-one".