245317731363 has 6 divisors (see below), whose sum is σ = 354347834204. Its totient is φ = 163545154236.

The previous prime is 245317731361. The next prime is 245317731371. The reversal of 245317731363 is 363137713542.

245317731363 is a `hidden beast` number, since 24 + 531 + 7 + 7 + 31 + 3 + 63 = 666.

It is not a de Polignac number, because 245317731363 - 2¹ = 245317731361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245317731361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13628762845 + ... + 13628762862.

Almost surely, 2^245317731363 is an apocalyptic number.

245317731363 is a deficient number, since it is larger than the sum of its proper divisors (109030102841).

245317731363 is a wasteful number, since it uses less digits than its factorization.

245317731363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27257525713 (or 27257525710 counting only the distinct ones).

The product of its digits is 952560, while the sum is 45.

The spelling of 245317731363 in words is "two hundred forty-five billion, three hundred seventeen million, seven hundred thirty-one thousand, three hundred sixty-three".