425422439177 has 4 divisors (see below), whose sum is σ = 425518933140. Its totient is φ = 425325945216.

The previous prime is 425422439153. The next prime is 425422439191. The reversal of 425422439177 is 771934224524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18762424576 + 406660014601 = 136976^2 + 637699^2 .

It is a cyclic number.

It is not a de Polignac number, because 425422439177 - 2¹⁶ = 425422373641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425422439107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48240368 + ... + 48249185.

It is an arithmetic number, because the mean of its divisors is an integer number (106379733285).

Almost surely, 2^425422439177 is an apocalyptic number.

It is an amenable number.

425422439177 is a deficient number, since it is larger than the sum of its proper divisors (96493963).

425422439177 is an equidigital number, since it uses as much as digits as its factorization.

425422439177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96493962.

The product of its digits is 3386880, while the sum is 50.

The spelling of 425422439177 in words is "four hundred twenty-five billion, four hundred twenty-two million, four hundred thirty-nine thousand, one hundred seventy-seven".