425587347218 has 16 divisors (see below), whose sum is σ = 697409144640. Its totient is φ = 193172826000.

The previous prime is 425587347109. The next prime is 425587347223. The reversal of 425587347218 is 812743785524.

It is a happy number.

It is a super-2 number, since 2×425587347218² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

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, 13782638 + ... + 13813481.

It is an arithmetic number, because the mean of its divisors is an integer number (43588071540).

Almost surely, 2^425587347218 is an apocalyptic number.

425587347218 is a deficient number, since it is larger than the sum of its proper divisors (271821797422).

425587347218 is a wasteful number, since it uses less digits than its factorization.

425587347218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27596833.

The product of its digits is 15052800, while the sum is 56.

The spelling of 425587347218 in words is "four hundred twenty-five billion, five hundred eighty-seven million, three hundred forty-seven thousand, two hundred eighteen".