425351231508 has 48 divisors (see below), whose sum is σ = 1170859311104. Its totient is φ = 117608634720.

The previous prime is 425351231507. The next prime is 425351231581. The reversal of 425351231508 is 805132153524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425351231507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81670060 + ... + 81675267.

Almost surely, 2^425351231508 is an apocalyptic number.

It is an amenable number.

425351231508 is an abundant number, since it is smaller than the sum of its proper divisors (745508079596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425351231508 is a wasteful number, since it uses less digits than its factorization.

425351231508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163345372 (or 163345370 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 425351231508 in words is "four hundred twenty-five billion, three hundred fifty-one million, two hundred thirty-one thousand, five hundred eight".