245263140513 has 16 divisors (see below), whose sum is σ = 363498067840. Its totient is φ = 163443390192.

The previous prime is 245263140487. The next prime is 245263140527. The reversal of 245263140513 is 315041362542.

245263140513 is a `hidden beast` number, since 2 + 4 + 5 + 2 + 631 + 4 + 0 + 5 + 13 = 666.

It is not a de Polignac number, because 245263140513 - 2⁶ = 245263140449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245263144513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1747006 + ... + 1882167.

It is an arithmetic number, because the mean of its divisors is an integer number (22718629240).

Almost surely, 2^245263140513 is an apocalyptic number.

It is an amenable number.

245263140513 is a deficient number, since it is larger than the sum of its proper divisors (118234927327).

245263140513 is a wasteful number, since it uses less digits than its factorization.

245263140513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3631685 (or 3631679 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 245263140513 in words is "two hundred forty-five billion, two hundred sixty-three million, one hundred forty thousand, five hundred thirteen".