425431405234 has 16 divisors (see below), whose sum is σ = 696260170656. Its totient is φ = 193350220000.

The previous prime is 425431405213. The next prime is 425431405241. The reversal of 425431405234 is 432504134524.

It is a junction number, because it is equal to n+sod(n) for n = 425431405193 and 425431405202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1227052 + ... + 1535095.

It is an arithmetic number, because the mean of its divisors is an integer number (43516260666).

Almost surely, 2^425431405234 is an apocalyptic number.

425431405234 is a deficient number, since it is larger than the sum of its proper divisors (270828765422).

425431405234 is a wasteful number, since it uses less digits than its factorization.

425431405234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2769161.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 425431405234 its reverse (432504134524), we get a palindrome (857935539758).

The spelling of 425431405234 in words is "four hundred twenty-five billion, four hundred thirty-one million, four hundred five thousand, two hundred thirty-four".