425443444453 has 8 divisors (see below), whose sum is σ = 434375654400. Its totient is φ = 416544752208.

The previous prime is 425443444441. The next prime is 425443444493. The reversal of 425443444453 is 354444344524.

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 425443444453 - 2²⁹ = 424906573541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425443444423) 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, 8353773 + ... + 8404546.

It is an arithmetic number, because the mean of its divisors is an integer number (54296956800).

Almost surely, 2^425443444453 is an apocalyptic number.

It is an amenable number.

425443444453 is a deficient number, since it is larger than the sum of its proper divisors (8932209947).

425443444453 is a wasteful number, since it uses less digits than its factorization.

425443444453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16758851.

The product of its digits is 7372800, while the sum is 46.

Adding to 425443444453 its reverse (354444344524), we get a palindrome (779887788977).

The spelling of 425443444453 in words is "four hundred twenty-five billion, four hundred forty-three million, four hundred forty-four thousand, four hundred fifty-three".