264533742467 has 4 divisors (see below), whose sum is σ = 264536017320. Its totient is φ = 264531467616.

The previous prime is 264533742463. The next prime is 264533742479. The reversal of 264533742467 is 764247335462.

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 264533742467 - 2² = 264533742463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264533742463) 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, 953033 + ... + 1198890.

It is an arithmetic number, because the mean of its divisors is an integer number (66134004330).

Almost surely, 2^264533742467 is an apocalyptic number.

264533742467 is a deficient number, since it is larger than the sum of its proper divisors (2274853).

264533742467 is a wasteful number, since it uses less digits than its factorization.

264533742467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274852.

The product of its digits is 20321280, while the sum is 53.

The spelling of 264533742467 in words is "two hundred sixty-four billion, five hundred thirty-three million, seven hundred forty-two thousand, four hundred sixty-seven".