245318673601 has 4 divisors (see below), whose sum is σ = 255984702912. Its totient is φ = 234652644292.

The previous prime is 245318673581. The next prime is 245318673617. The reversal of 245318673601 is 106376813542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 245318673601 - 2¹⁹ = 245318149313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245318673001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5333014621 + ... + 5333014666.

It is an arithmetic number, because the mean of its divisors is an integer number (63996175728).

Almost surely, 2^245318673601 is an apocalyptic number.

It is an amenable number.

245318673601 is a deficient number, since it is larger than the sum of its proper divisors (10666029311).

245318673601 is a wasteful number, since it uses less digits than its factorization.

245318673601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10666029310.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 245318673601 in words is "two hundred forty-five billion, three hundred eighteen million, six hundred seventy-three thousand, six hundred one".