264615353630513 has 4 divisors (see below), whose sum is σ = 280180962667620. Its totient is φ = 249049744593408.

The previous prime is 264615353630503. The next prime is 264615353630533. The reversal of 264615353630513 is 315036353516462.

264615353630513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 160505410679329 + 104109942951184 = 12669073^2 + 10203428^2 .

It is a cyclic number.

It is not a de Polignac number, because 264615353630513 - 2¹⁶ = 264615353564977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264615353630503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7782804518528 + ... + 7782804518561.

It is an arithmetic number, because the mean of its divisors is an integer number (70045240666905).

Almost surely, 2^{264615353630513} is an apocalyptic number.

It is an amenable number.

264615353630513 is a deficient number, since it is larger than the sum of its proper divisors (15565609037107).

264615353630513 is a wasteful number, since it uses less digits than its factorization.

264615353630513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15565609037106.

The product of its (nonzero) digits is 17496000, while the sum is 53.

The spelling of 264615353630513 in words is "two hundred sixty-four trillion, six hundred fifteen billion, three hundred fifty-three million, six hundred thirty thousand, five hundred thirteen".