245727714646507 has 2 divisors, whose sum is σ = 245727714646508. Its totient is φ = 245727714646506.

The previous prime is 245727714646493. The next prime is 245727714646523. The reversal of 245727714646507 is 705646417727542.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245727714646507 is a prime.

It is not a weakly prime, because it can be changed into another prime (245727714646567) 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, 122863857323253 + 122863857323254.

It is an arithmetic number, because the mean of its divisors is an integer number (122863857323254).

Almost surely, 2^{245727714646507} is an apocalyptic number.

245727714646507 is a deficient number, since it is larger than the sum of its proper divisors (1).

245727714646507 is an equidigital number, since it uses as much as digits as its factorization.

245727714646507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 553190400, while the sum is 67.

The spelling of 245727714646507 in words is "two hundred forty-five trillion, seven hundred twenty-seven billion, seven hundred fourteen million, six hundred forty-six thousand, five hundred seven".