245317027641 has 16 divisors (see below), whose sum is σ = 374667955200. Its totient is φ = 139861834128.

The previous prime is 245317027603. The next prime is 245317027651. The reversal of 245317027641 is 146720713542.

It is not a de Polignac number, because 245317027641 - 2¹⁷ = 245316896569 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 245317027593 and 245317027602.

It is not an unprimeable number, because it can be changed into a prime (245317027651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13295751 + ... + 13314188.

It is an arithmetic number, because the mean of its divisors is an integer number (23416747200).

Almost surely, 2^245317027641 is an apocalyptic number.

245317027641 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

245317027641 is a deficient number, since it is larger than the sum of its proper divisors (129350927559).

245317027641 is a wasteful number, since it uses less digits than its factorization.

245317027641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26610388.

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 245317027641 in words is "two hundred forty-five billion, three hundred seventeen million, twenty-seven thousand, six hundred forty-one".