425481456393 has 32 divisors (see below), whose sum is σ = 720590796800. Its totient is φ = 243065127888.

The previous prime is 425481456349. The next prime is 425481456403. The reversal of 425481456393 is 393654184524.

It is a happy number.

425481456393 is a `hidden beast` number, since 4 + 2 + 548 + 1 + 4 + 5 + 6 + 3 + 93 = 666.

It is not a de Polignac number, because 425481456393 - 2¹⁶ = 425481390857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425481456193) 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 in 31 ways as a sum of consecutive naturals, for example, 379548 + ... + 997506.

It is an arithmetic number, because the mean of its divisors is an integer number (22518462400).

Almost surely, 2^425481456393 is an apocalyptic number.

It is an amenable number.

425481456393 is a deficient number, since it is larger than the sum of its proper divisors (295109340407).

425481456393 is a wasteful number, since it uses less digits than its factorization.

425481456393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621618 (or 621612 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 54.

It can be divided in two parts, 42548 and 1456393, that added together give a palindrome (1498941).

The spelling of 425481456393 in words is "four hundred twenty-five billion, four hundred eighty-one million, four hundred fifty-six thousand, three hundred ninety-three".