264613345653325 has 12 divisors (see below), whose sum is σ = 336123488821428. Its totient is φ = 206527489289600.

The previous prime is 264613345653323. The next prime is 264613345653331. The reversal of 264613345653325 is 523356543316462.

It can be written as a sum of positive squares in 6 ways, for example, as 85481969957316 + 179131375696009 = 9245646^2 + 13383997^2 .

It is not a de Polignac number, because 264613345653325 - 2¹ = 264613345653323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 264613345653325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264613345653323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129079679782 + ... + 129079681831.

It is an arithmetic number, because the mean of its divisors is an integer number (28010290735119).

Almost surely, 2^{264613345653325} is an apocalyptic number.

264613345653325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

264613345653325 is a deficient number, since it is larger than the sum of its proper divisors (71510143168103).

264613345653325 is a wasteful number, since it uses less digits than its factorization.

264613345653325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258159361664 (or 258159361659 counting only the distinct ones).

The product of its digits is 139968000, while the sum is 58.

Adding to 264613345653325 its reverse (523356543316462), we get a palindrome (787969888969787).

The spelling of 264613345653325 in words is "two hundred sixty-four trillion, six hundred thirteen billion, three hundred forty-five million, six hundred fifty-three thousand, three hundred twenty-five".