245273605047 has 12 divisors (see below), whose sum is σ = 354597914320. Its totient is φ = 163370897568.

The previous prime is 245273605043. The next prime is 245273605103. The reversal of 245273605047 is 740506372542.

245273605047 is a `hidden beast` number, since 2 + 4 + 527 + 36 + 0 + 50 + 47 = 666.

It is not a de Polignac number, because 245273605047 - 2² = 245273605043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245273604993 and 245273605011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245273605043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12059203 + ... + 12079524.

Almost surely, 2^245273605047 is an apocalyptic number.

245273605047 is a deficient number, since it is larger than the sum of its proper divisors (109324309273).

245273605047 is a wasteful number, since it uses less digits than its factorization.

245273605047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24139862 (or 24139859 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 45.

Adding to 245273605047 its reverse (740506372542), we get a palindrome (985779977589).

The spelling of 245273605047 in words is "two hundred forty-five billion, two hundred seventy-three million, six hundred five thousand, forty-seven".