245152515445499 has 2 divisors, whose sum is σ = 245152515445500. Its totient is φ = 245152515445498.

The previous prime is 245152515445477. The next prime is 245152515445511. The reversal of 245152515445499 is 994544515251542.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245152515445499 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (245152515445199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122576257722749 + 122576257722750.

It is an arithmetic number, because the mean of its divisors is an integer number (122576257722750).

Almost surely, 2^{245152515445499} is an apocalyptic number.

245152515445499 is a deficient number, since it is larger than the sum of its proper divisors (1).

245152515445499 is an equidigital number, since it uses as much as digits as its factorization.

245152515445499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200000, while the sum is 65.

The spelling of 245152515445499 in words is "two hundred forty-five trillion, one hundred fifty-two billion, five hundred fifteen million, four hundred forty-five thousand, four hundred ninety-nine".