264502144020113 has 8 divisors (see below), whose sum is σ = 265605782219976. Its totient is φ = 263398556390400.

The previous prime is 264502144020073. The next prime is 264502144020139. The reversal of 264502144020113 is 311020441205462.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15400538619904 + 249101605400209 = 3924352^2 + 15782953^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 264502144020113 - 2²⁴ = 264502127242897 is a prime.

It is a super-2 number, since 2×264502144020113² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264502144025113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2141756 + ... + 23099597.

It is an arithmetic number, because the mean of its divisors is an integer number (33200722777497).

Almost surely, 2^{264502144020113} is an apocalyptic number.

It is an amenable number.

264502144020113 is a deficient number, since it is larger than the sum of its proper divisors (1103638199863).

264502144020113 is a wasteful number, since it uses less digits than its factorization.

264502144020113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25285075.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 264502144020113 its reverse (311020441205462), we get a palindrome (575522585225575).

The spelling of 264502144020113 in words is "two hundred sixty-four trillion, five hundred two billion, one hundred forty-four million, twenty thousand, one hundred thirteen".