264465751653 has 64 divisors (see below), whose sum is σ = 420078720000. Its totient is φ = 163939152960.

The previous prime is 264465751651. The next prime is 264465751661. The reversal of 264465751653 is 356157564462.

264465751653 is a `hidden beast` number, since 2 + 6 + 4 + 4 + 6 + 575 + 1 + 65 + 3 = 666.

It is not a de Polignac number, because 264465751653 - 2¹ = 264465751651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264465751653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264465751651) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19999878 + ... + 20013096.

It is an arithmetic number, because the mean of its divisors is an integer number (6563730000).

Almost surely, 2^264465751653 is an apocalyptic number.

It is an amenable number.

264465751653 is a deficient number, since it is larger than the sum of its proper divisors (155612968347).

264465751653 is a wasteful number, since it uses less digits than its factorization.

264465751653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13967 (or 13961 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 54.

The spelling of 264465751653 in words is "two hundred sixty-four billion, four hundred sixty-five million, seven hundred fifty-one thousand, six hundred fifty-three".