425254452479 has 2 divisors, whose sum is σ = 425254452480. Its totient is φ = 425254452478.

The previous prime is 425254452463. The next prime is 425254452541. The reversal of 425254452479 is 974254452524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425254452479 - 2⁴ = 425254452463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425254452479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425254452409) 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, 212627226239 + 212627226240.

It is an arithmetic number, because the mean of its divisors is an integer number (212627226240).

Almost surely, 2^425254452479 is an apocalyptic number.

425254452479 is a deficient number, since it is larger than the sum of its proper divisors (1).

425254452479 is an equidigital number, since it uses as much as digits as its factorization.

425254452479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128000, while the sum is 53.

The spelling of 425254452479 in words is "four hundred twenty-five billion, two hundred fifty-four million, four hundred fifty-two thousand, four hundred seventy-nine".