425320202421610 has 16 divisors (see below), whose sum is σ = 768022295241096. Its totient is φ = 169584540772608.

The previous prime is 425320202421589. The next prime is 425320202421617. The reversal of 425320202421610 is 16124202023524.

It can be written as a sum of positive squares in 4 ways, for example, as 57335744329369 + 367984458092241 = 7572037^2 + 19182921^2 .

It is not an unprimeable number, because it can be changed into a prime (425320202421617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67942521219 + ... + 67942527478.

Almost surely, 2^{425320202421610} is an apocalyptic number.

425320202421610 is a deficient number, since it is larger than the sum of its proper divisors (342702092819486).

425320202421610 is a wasteful number, since it uses less digits than its factorization.

425320202421610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135885049017.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 425320202421610 in words is "four hundred twenty-five trillion, three hundred twenty billion, two hundred two million, four hundred twenty-one thousand, six hundred ten".