425363187771 has 12 divisors (see below), whose sum is σ = 622190880480. Its totient is φ = 279985895280.

The previous prime is 425363187763. The next prime is 425363187773. The reversal of 425363187771 is 177781363524.

425363187771 is a `hidden beast` number, since 4 + 2 + 536 + 31 + 8 + 7 + 7 + 71 = 666.

It is not a de Polignac number, because 425363187771 - 2³ = 425363187763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425363187773) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 299129520 + ... + 299130941.

It is an arithmetic number, because the mean of its divisors is an integer number (51849240040).

Almost surely, 2^425363187771 is an apocalyptic number.

425363187771 is a deficient number, since it is larger than the sum of its proper divisors (196827692709).

425363187771 is a wasteful number, since it uses less digits than its factorization.

425363187771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598260546 (or 598260543 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 54.

The spelling of 425363187771 in words is "four hundred twenty-five billion, three hundred sixty-three million, one hundred eighty-seven thousand, seven hundred seventy-one".