245387807099 has 2 divisors, whose sum is σ = 245387807100. Its totient is φ = 245387807098.

The previous prime is 245387806999. The next prime is 245387807111. The reversal of 245387807099 is 990708783542.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245387807099 is a prime.

It is not a weakly prime, because it can be changed into another prime (245387809099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122693903549 + 122693903550.

It is an arithmetic number, because the mean of its divisors is an integer number (122693903550).

Almost surely, 2^245387807099 is an apocalyptic number.

245387807099 is a deficient number, since it is larger than the sum of its proper divisors (1).

245387807099 is an equidigital number, since it uses as much as digits as its factorization.

245387807099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30481920, while the sum is 62.

The spelling of 245387807099 in words is "two hundred forty-five billion, three hundred eighty-seven million, eight hundred seven thousand, ninety-nine".