425649610269 has 24 divisors (see below), whose sum is σ = 663448604000. Its totient is φ = 261413259552.

The previous prime is 425649610223. The next prime is 425649610271. The reversal of 425649610269 is 962016946524.

425649610269 is a `hidden beast` number, since 4 + 2 + 564 + 9 + 6 + 10 + 2 + 69 = 666.

It is not a de Polignac number, because 425649610269 - 2¹⁵ = 425649577501 is a prime.

It is a super-2 number, since 2×425649610269² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425649610279) 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, 3586939 + ... + 3703704.

Almost surely, 2^425649610269 is an apocalyptic number.

It is an amenable number.

425649610269 is a deficient number, since it is larger than the sum of its proper divisors (237798993731).

425649610269 is a wasteful number, since it uses less digits than its factorization.

425649610269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7291161 (or 7291158 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 425649610269 in words is "four hundred twenty-five billion, six hundred forty-nine million, six hundred ten thousand, two hundred sixty-nine".