245552391607 has 2 divisors, whose sum is σ = 245552391608. Its totient is φ = 245552391606.

The previous prime is 245552391571. The next prime is 245552391613. The reversal of 245552391607 is 706193255542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245552391607 - 2²³ = 245544002999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245552391697) 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, 122776195803 + 122776195804.

It is an arithmetic number, because the mean of its divisors is an integer number (122776195804).

Almost surely, 2^245552391607 is an apocalyptic number.

245552391607 is a deficient number, since it is larger than the sum of its proper divisors (1).

245552391607 is an equidigital number, since it uses as much as digits as its factorization.

245552391607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268000, while the sum is 49.

The spelling of 245552391607 in words is "two hundred forty-five billion, five hundred fifty-two million, three hundred ninety-one thousand, six hundred seven".