264334433345453 has 4 divisors (see below), whose sum is σ = 264334501924380. Its totient is φ = 264334364766528.

The previous prime is 264334433345449. The next prime is 264334433345473. The reversal of 264334433345453 is 354543334433462.

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

It can be written as a sum of positive squares in 2 ways, for example, as 179703596297449 + 84630837048004 = 13405357^2 + 9199502^2 .

It is a cyclic number.

It is not a de Polignac number, because 264334433345453 - 2² = 264334433345449 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 (264334433345473) 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, 28140188 + ... + 36339221.

It is an arithmetic number, because the mean of its divisors is an integer number (66083625481095).

Almost surely, 2^{264334433345453} is an apocalyptic number.

It is an amenable number.

264334433345453 is a deficient number, since it is larger than the sum of its proper divisors (68578927).

264334433345453 is an equidigital number, since it uses as much as digits as its factorization.

264334433345453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68578926.

The product of its digits is 223948800, while the sum is 56.

The spelling of 264334433345453 in words is "two hundred sixty-four trillion, three hundred thirty-four billion, four hundred thirty-three million, three hundred forty-five thousand, four hundred fifty-three".