245317360505 has 24 divisors (see below), whose sum is σ = 342464682240. Its totient is φ = 168206972640.

The previous prime is 245317360501. The next prime is 245317360529. The reversal of 245317360505 is 505063713542.

It is not a de Polignac number, because 245317360505 - 2² = 245317360501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245317360501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7347800 + ... + 7381110.

It is an arithmetic number, because the mean of its divisors is an integer number (14269361760).

Almost surely, 2^245317360505 is an apocalyptic number.

It is an amenable number.

245317360505 is a deficient number, since it is larger than the sum of its proper divisors (97147321735).

245317360505 is a wasteful number, since it uses less digits than its factorization.

245317360505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63389 (or 63382 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 41.

The spelling of 245317360505 in words is "two hundred forty-five billion, three hundred seventeen million, three hundred sixty thousand, five hundred five".