264245633513 has 16 divisors (see below), whose sum is σ = 279764992320. Its totient is φ = 249155573184.

The previous prime is 264245633489. The next prime is 264245633521. The reversal of 264245633513 is 315336542462.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 264245633513 - 2²⁸ = 263977198057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264245632513) 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, 8417795 + ... + 8449127.

It is an arithmetic number, because the mean of its divisors is an integer number (17485312020).

Almost surely, 2^264245633513 is an apocalyptic number.

It is an amenable number.

264245633513 is a deficient number, since it is larger than the sum of its proper divisors (15519358807).

264245633513 is a wasteful number, since it uses less digits than its factorization.

264245633513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38168.

The product of its digits is 1555200, while the sum is 44.

The spelling of 264245633513 in words is "two hundred sixty-four billion, two hundred forty-five million, six hundred thirty-three thousand, five hundred thirteen".