245651320627 has 2 divisors, whose sum is σ = 245651320628. Its totient is φ = 245651320626.

The previous prime is 245651320591. The next prime is 245651320643. The reversal of 245651320627 is 726023156542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245651320627 - 2²⁷ = 245517102899 is a prime.

It is not a weakly prime, because it can be changed into another prime (245651320027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122825660313 + 122825660314.

It is an arithmetic number, because the mean of its divisors is an integer number (122825660314).

Almost surely, 2^245651320627 is an apocalyptic number.

245651320627 is a deficient number, since it is larger than the sum of its proper divisors (1).

245651320627 is an equidigital number, since it uses as much as digits as its factorization.

245651320627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 245651320627 in words is "two hundred forty-five billion, six hundred fifty-one million, three hundred twenty thousand, six hundred twenty-seven".