245273275205 has 64 divisors (see below), whose sum is σ = 363738816000. Its totient is φ = 158425827840.

The previous prime is 245273275199. The next prime is 245273275207. The reversal of 245273275205 is 502572372542.

It is not a de Polignac number, because 245273275205 - 2⁸ = 245273274949 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245273275207) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1978994 + ... + 2099276.

It is an arithmetic number, because the mean of its divisors is an integer number (5683419000).

Almost surely, 2^245273275205 is an apocalyptic number.

It is an amenable number.

245273275205 is a deficient number, since it is larger than the sum of its proper divisors (118465540795).

245273275205 is a wasteful number, since it uses less digits than its factorization.

245273275205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120379 (or 120365 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 44.

The spelling of 245273275205 in words is "two hundred forty-five billion, two hundred seventy-three million, two hundred seventy-five thousand, two hundred five".