425250171919 has 2 divisors, whose sum is σ = 425250171920. Its totient is φ = 425250171918.

The previous prime is 425250171877. The next prime is 425250171959. The reversal of 425250171919 is 919171052524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425250171919 - 2⁹ = 425250171407 is a prime.

It is a super-2 number, since 2×425250171919² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425250171959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212625085959 + 212625085960.

It is an arithmetic number, because the mean of its divisors is an integer number (212625085960).

Almost surely, 2^425250171919 is an apocalyptic number.

425250171919 is a deficient number, since it is larger than the sum of its proper divisors (1).

425250171919 is an equidigital number, since it uses as much as digits as its factorization.

425250171919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 46.

The spelling of 425250171919 in words is "four hundred twenty-five billion, two hundred fifty million, one hundred seventy-one thousand, nine hundred nineteen".