425949544344 has 16 divisors (see below), whose sum is σ = 1064873860920. Its totient is φ = 141983181440.

The previous prime is 425949544331. The next prime is 425949544379. The reversal of 425949544344 is 443445949524.

It is a super-2 number, since 2×425949544344² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8873948817 + ... + 8873948864.

Almost surely, 2^425949544344 is an apocalyptic number.

It is an amenable number.

425949544344 is an abundant number, since it is smaller than the sum of its proper divisors (638924316576).

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

425949544344 is a wasteful number, since it uses less digits than its factorization.

425949544344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17747897690 (or 17747897686 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 57.

The spelling of 425949544344 in words is "four hundred twenty-five billion, nine hundred forty-nine million, five hundred forty-four thousand, three hundred forty-four".