245913744959 has 4 divisors (see below), whose sum is σ = 248448938304. Its totient is φ = 243378551616.

The previous prime is 245913744941. The next prime is 245913744971. The reversal of 245913744959 is 959447319542.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 245913744959 - 2²⁰ = 245912696383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245916744959) 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, 1267596527 + ... + 1267596720.

It is an arithmetic number, because the mean of its divisors is an integer number (62112234576).

Almost surely, 2^245913744959 is an apocalyptic number.

245913744959 is a deficient number, since it is larger than the sum of its proper divisors (2535193345).

245913744959 is an equidigital number, since it uses as much as digits as its factorization.

245913744959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535193344.

The product of its digits is 48988800, while the sum is 62.

The spelling of 245913744959 in words is "two hundred forty-five billion, nine hundred thirteen million, seven hundred forty-four thousand, nine hundred fifty-nine".