425443000321 has 16 divisors (see below), whose sum is σ = 451322625600. Its totient is φ = 399913113600.

The previous prime is 425443000277. The next prime is 425443000351. The reversal of 425443000321 is 123000344524.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 425443000321 - 2¹⁷ = 425442869249 is a prime.

It is a super-2 number, since 2×425443000321² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 425443000321.

It is not an unprimeable number, because it can be changed into a prime (425443000351) 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, 29783701 + ... + 29797981.

It is an arithmetic number, because the mean of its divisors is an integer number (28207664100).

Almost surely, 2^425443000321 is an apocalyptic number.

It is an amenable number.

425443000321 is a deficient number, since it is larger than the sum of its proper divisors (25879625279).

425443000321 is a wasteful number, since it uses less digits than its factorization.

425443000321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26400.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 425443000321 its reverse (123000344524), we get a palindrome (548443344845).

The spelling of 425443000321 in words is "four hundred twenty-five billion, four hundred forty-three million, three hundred twenty-one", and thus it is an aban number.