425169673 has 2 divisors, whose sum is σ = 425169674. Its totient is φ = 425169672.

The previous prime is 425169623. The next prime is 425169727. The reversal of 425169673 is 376961524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 417262329 + 7907344 = 20427^2 + 2812^2 .

It is a cyclic number.

It is not a de Polignac number, because 425169673 - 2⁹ = 425169161 is a prime.

It is not a weakly prime, because it can be changed into another prime (425169623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212584836 + 212584837.

It is an arithmetic number, because the mean of its divisors is an integer number (212584837).

Almost surely, 2^425169673 is an apocalyptic number.

It is an amenable number.

425169673 is a deficient number, since it is larger than the sum of its proper divisors (1).

425169673 is an equidigital number, since it uses as much as digits as its factorization.

425169673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 43.

The square root of 425169673 is about 20619.6428921550. The cubic root of 425169673 is about 751.9473382703.

The spelling of 425169673 in words is "four hundred twenty-five million, one hundred sixty-nine thousand, six hundred seventy-three".