425159775479 has 2 divisors, whose sum is σ = 425159775480. Its totient is φ = 425159775478.

The previous prime is 425159775437. The next prime is 425159775487. The reversal of 425159775479 is 974577951524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425159775479 - 2¹² = 425159771383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425159775499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212579887739 + 212579887740.

It is an arithmetic number, because the mean of its divisors is an integer number (212579887740).

Almost surely, 2^425159775479 is an apocalyptic number.

425159775479 is a deficient number, since it is larger than the sum of its proper divisors (1).

425159775479 is an equidigital number, since it uses as much as digits as its factorization.

425159775479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 111132000, while the sum is 65.

The spelling of 425159775479 in words is "four hundred twenty-five billion, one hundred fifty-nine million, seven hundred seventy-five thousand, four hundred seventy-nine".