264236624051 has 4 divisors (see below), whose sum is σ = 266802028272. Its totient is φ = 261671219832.

The previous prime is 264236624039. The next prime is 264236624081. The reversal of 264236624051 is 150426632462.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264236624051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264236624011) 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, 1282701956 + ... + 1282702161.

It is an arithmetic number, because the mean of its divisors is an integer number (66700507068).

Almost surely, 2^264236624051 is an apocalyptic number.

264236624051 is a deficient number, since it is larger than the sum of its proper divisors (2565404221).

264236624051 is a wasteful number, since it uses less digits than its factorization.

264236624051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565404220.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 264236624051 in words is "two hundred sixty-four billion, two hundred thirty-six million, six hundred twenty-four thousand, fifty-one".