245470571867 has 2 divisors, whose sum is σ = 245470571868. Its totient is φ = 245470571866.

The previous prime is 245470571831. The next prime is 245470571869. The reversal of 245470571867 is 768175074542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245470571867 - 2⁶ = 245470571803 is a prime.

Together with 245470571869, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (245470571869) 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, 122735285933 + 122735285934.

It is an arithmetic number, because the mean of its divisors is an integer number (122735285934).

Almost surely, 2^245470571867 is an apocalyptic number.

245470571867 is a deficient number, since it is larger than the sum of its proper divisors (1).

245470571867 is an equidigital number, since it uses as much as digits as its factorization.

245470571867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13171200, while the sum is 56.

The spelling of 245470571867 in words is "two hundred forty-five billion, four hundred seventy million, five hundred seventy-one thousand, eight hundred sixty-seven".