264546545263 has 48 divisors (see below), whose sum is σ = 363537326880. Its totient is φ = 189231033600.

The previous prime is 264546545251. The next prime is 264546545311. The reversal of 264546545263 is 362545645462.

It is not a de Polignac number, because 264546545263 - 2¹³ = 264546537071 is a prime.

It is a super-2 number, since 2×264546545263² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 264546545263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264546545203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1163973 + ... + 1372561.

It is an arithmetic number, because the mean of its divisors is an integer number (7573694310).

Almost surely, 2^264546545263 is an apocalyptic number.

264546545263 is a deficient number, since it is larger than the sum of its proper divisors (98990781617).

264546545263 is a wasteful number, since it uses less digits than its factorization.

264546545263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208808 (or 208801 counting only the distinct ones).

The product of its digits is 20736000, while the sum is 52.

The spelling of 264546545263 in words is "two hundred sixty-four billion, five hundred forty-six million, five hundred forty-five thousand, two hundred sixty-three".