425087332569 has 24 divisors (see below), whose sum is σ = 641845068800. Its totient is φ = 270778360320.

The previous prime is 425087332531. The next prime is 425087332601. The reversal of 425087332569 is 965233780524.

425087332569 is a `hidden beast` number, since 4 + 2 + 5 + 0 + 8 + 73 + 3 + 2 + 569 = 666.

It is not a de Polignac number, because 425087332569 - 2⁹ = 425087332057 is a prime.

It is a super-2 number, since 2×425087332569² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425087332669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9621064 + ... + 9665145.

Almost surely, 2^425087332569 is an apocalyptic number.

It is an amenable number.

425087332569 is a deficient number, since it is larger than the sum of its proper divisors (216757736231).

425087332569 is a wasteful number, since it uses less digits than its factorization.

425087332569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19286325 (or 19286322 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 425087332569 in words is "four hundred twenty-five billion, eighty-seven million, three hundred thirty-two thousand, five hundred sixty-nine".