425044505431 has 8 divisors (see below), whose sum is σ = 523131699104. Its totient is φ = 336298949280.

The previous prime is 425044505399. The next prime is 425044505461. The reversal of 425044505431 is 134505440524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 425044505431 - 2⁵ = 425044505399 is a prime.

It is a super-2 number, since 2×425044505431² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425044505461) 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, 2335409280 + ... + 2335409461.

It is an arithmetic number, because the mean of its divisors is an integer number (65391462388).

Almost surely, 2^425044505431 is an apocalyptic number.

425044505431 is a deficient number, since it is larger than the sum of its proper divisors (98087193673).

425044505431 is a wasteful number, since it uses less digits than its factorization.

425044505431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4670818761.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 425044505431 its reverse (134505440524), we get a palindrome (559549945955).

The spelling of 425044505431 in words is "four hundred twenty-five billion, forty-four million, five hundred five thousand, four hundred thirty-one".