425444340404403 has 6 divisors (see below), whose sum is σ = 614530713917484. Its totient is φ = 283629560269596.

The previous prime is 425444340404359. The next prime is 425444340404407. The reversal of 425444340404403 is 304404043444524.

425444340404403 is a `hidden beast` number, since 42 + 54 + 4 + 43 + 40 + 40 + 440 + 3 = 666.

It is not a de Polignac number, because 425444340404403 - 2⁸ = 425444340404147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425444340404407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23635796689125 + ... + 23635796689142.

It is an arithmetic number, because the mean of its divisors is an integer number (102421785652914).

Almost surely, 2^{425444340404403} is an apocalyptic number.

425444340404403 is a deficient number, since it is larger than the sum of its proper divisors (189086373513081).

425444340404403 is a wasteful number, since it uses less digits than its factorization.

425444340404403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47271593378273 (or 47271593378270 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 45.

Adding to 425444340404403 its reverse (304404043444524), we get a palindrome (729848383848927).

The spelling of 425444340404403 in words is "four hundred twenty-five trillion, four hundred forty-four billion, three hundred forty million, four hundred four thousand, four hundred three".