245354043427 has 2 divisors, whose sum is σ = 245354043428. Its totient is φ = 245354043426.

The previous prime is 245354043367. The next prime is 245354043437. The reversal of 245354043427 is 724340453542.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245354043427 is a prime.

It is not a weakly prime, because it can be changed into another prime (245354043437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122677021713 + 122677021714.

It is an arithmetic number, because the mean of its divisors is an integer number (122677021714).

Almost surely, 2^245354043427 is an apocalyptic number.

245354043427 is a deficient number, since it is larger than the sum of its proper divisors (1).

245354043427 is an equidigital number, since it uses as much as digits as its factorization.

245354043427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1612800, while the sum is 43.

Adding to 245354043427 its reverse (724340453542), we get a palindrome (969694496969).

The spelling of 245354043427 in words is "two hundred forty-five billion, three hundred fifty-four million, forty-three thousand, four hundred twenty-seven".