425889499 has 8 divisors (see below), whose sum is σ = 499886048. Its totient is φ = 355181760.

The previous prime is 425889493. The next prime is 425889511. The reversal of 425889499 is 994988524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425889499 - 2¹⁵ = 425856731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425889493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821922 + ... + 822439.

It is an arithmetic number, because the mean of its divisors is an integer number (62485756).

Almost surely, 2^425889499 is an apocalyptic number.

425889499 is a deficient number, since it is larger than the sum of its proper divisors (73996549).

425889499 is a wasteful number, since it uses less digits than its factorization.

425889499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644405.

The product of its digits is 7464960, while the sum is 58.

The square root of 425889499 is about 20637.0903714647. The cubic root of 425889499 is about 752.3714560621.

The spelling of 425889499 in words is "four hundred twenty-five million, eight hundred eighty-nine thousand, four hundred ninety-nine".