264334645351553 has 16 divisors (see below), whose sum is σ = 307522426306560. Its totient is φ = 222533318077200.

The previous prime is 264334645351537. The next prime is 264334645351559. The reversal of 264334645351553 is 355153546433462.

It is a cyclic number.

It is not a de Polignac number, because 264334645351553 - 2⁴ = 264334645351537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 264334645351492 and 264334645351501.

It is not an unprimeable number, because it can be changed into a prime (264334645351559) 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, 1251206333 + ... + 1251417578.

It is an arithmetic number, because the mean of its divisors is an integer number (19220151644160).

Almost surely, 2^{264334645351553} is an apocalyptic number.

It is an amenable number.

264334645351553 is a deficient number, since it is larger than the sum of its proper divisors (43187780955007).

264334645351553 is a wasteful number, since it uses less digits than its factorization.

264334645351553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502624188.

The product of its digits is 233280000, while the sum is 59.

The spelling of 264334645351553 in words is "two hundred sixty-four trillion, three hundred thirty-four billion, six hundred forty-five million, three hundred fifty-one thousand, five hundred fifty-three".