245031417507479 has 2 divisors, whose sum is σ = 245031417507480. Its totient is φ = 245031417507478.

The previous prime is 245031417507313. The next prime is 245031417507553. The reversal of 245031417507479 is 974705714130542.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245031417507479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245031417503479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122515708753739 + 122515708753740.

It is an arithmetic number, because the mean of its divisors is an integer number (122515708753740).

Almost surely, 2^{245031417507479} is an apocalyptic number.

245031417507479 is a deficient number, since it is larger than the sum of its proper divisors (1).

245031417507479 is an equidigital number, since it uses as much as digits as its factorization.

245031417507479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29635200, while the sum is 59.

The spelling of 245031417507479 in words is "two hundred forty-five trillion, thirty-one billion, four hundred seventeen million, five hundred seven thousand, four hundred seventy-nine".