425896449 has 16 divisors (see below), whose sum is σ = 629644224. Its totient is φ = 253886400.

The previous prime is 425896433. The next prime is 425896459. The reversal of 425896449 is 944698524.

It is not a de Polignac number, because 425896449 - 2⁴ = 425896433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425896409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103774 + ... + 107799.

It is an arithmetic number, because the mean of its divisors is an integer number (39352764).

Almost surely, 2^425896449 is an apocalyptic number.

It is an amenable number.

425896449 is a deficient number, since it is larger than the sum of its proper divisors (203747775).

425896449 is a wasteful number, since it uses less digits than its factorization.

425896449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211648.

The product of its digits is 2488320, while the sum is 51.

The square root of 425896449 is about 20637.2587569183. The cubic root of 425896449 is about 752.3755486363.

The spelling of 425896449 in words is "four hundred twenty-five million, eight hundred ninety-six thousand, four hundred forty-nine".