245456767247 has 2 divisors, whose sum is σ = 245456767248. Its totient is φ = 245456767246.

The previous prime is 245456767219. The next prime is 245456767279. The reversal of 245456767247 is 742767654542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245456767247 - 2³² = 241161799951 is a prime.

It is a super-3 number, since 3×245456767247³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245456767217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122728383623 + 122728383624.

It is an arithmetic number, because the mean of its divisors is an integer number (122728383624).

Almost surely, 2^245456767247 is an apocalyptic number.

245456767247 is a deficient number, since it is larger than the sum of its proper divisors (1).

245456767247 is an equidigital number, since it uses as much as digits as its factorization.

245456767247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79027200, while the sum is 59.

The spelling of 245456767247 in words is "two hundred forty-five billion, four hundred fifty-six million, seven hundred sixty-seven thousand, two hundred forty-seven".