245663415361 has 48 divisors (see below), whose sum is σ = 310648504320. Its totient is φ = 192551748480.

The previous prime is 245663415307. The next prime is 245663415367. The reversal of 245663415361 is 163514366542.

It is not a de Polignac number, because 245663415361 - 2⁷ = 245663415233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245663415367) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29987776 + ... + 29995966.

It is an arithmetic number, because the mean of its divisors is an integer number (6471843840).

Almost surely, 2^245663415361 is an apocalyptic number.

It is an amenable number.

245663415361 is a deficient number, since it is larger than the sum of its proper divisors (64985088959).

245663415361 is a wasteful number, since it uses less digits than its factorization.

245663415361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8654 (or 8647 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 46.

The spelling of 245663415361 in words is "two hundred forty-five billion, six hundred sixty-three million, four hundred fifteen thousand, three hundred sixty-one".