425534544454 has 32 divisors (see below), whose sum is σ = 650737463040. Its totient is φ = 208640763552.

The previous prime is 425534544401. The next prime is 425534544467. The reversal of 425534544454 is 454445435524.

It is a junction number, because it is equal to n+sod(n) for n = 425534544398 and 425534544407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92444917 + ... + 92449519.

It is an arithmetic number, because the mean of its divisors is an integer number (20335545720).

Almost surely, 2^425534544454 is an apocalyptic number.

425534544454 is a deficient number, since it is larger than the sum of its proper divisors (225202918586).

425534544454 is a wasteful number, since it uses less digits than its factorization.

425534544454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6444.

The product of its digits is 15360000, while the sum is 49.

Adding to 425534544454 its reverse (454445435524), we get a palindrome (879979979978).

The spelling of 425534544454 in words is "four hundred twenty-five billion, five hundred thirty-four million, five hundred forty-four thousand, four hundred fifty-four".