264505132577 has 16 divisors (see below), whose sum is σ = 310095475200. Its totient is φ = 220881154560.

The previous prime is 264505132553. The next prime is 264505132603. The reversal of 264505132577 is 775231505462.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264505132577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (264505132277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434552 + ... + 847257.

It is an arithmetic number, because the mean of its divisors is an integer number (19380967200).

Almost surely, 2^264505132577 is an apocalyptic number.

It is an amenable number.

264505132577 is a deficient number, since it is larger than the sum of its proper divisors (45590342623).

264505132577 is a wasteful number, since it uses less digits than its factorization.

264505132577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282576.

The product of its (nonzero) digits is 1764000, while the sum is 47.

The spelling of 264505132577 in words is "two hundred sixty-four billion, five hundred five million, one hundred thirty-two thousand, five hundred seventy-seven".