426486193497 has 48 divisors (see below), whose sum is σ = 798102847360. Its totient is φ = 213119755776.

The previous prime is 426486193417. The next prime is 426486193513. The reversal of 426486193497 is 794391684624.

It is a happy number.

426486193497 is a `hidden beast` number, since 4 + 2 + 6 + 4 + 8 + 619 + 3 + 4 + 9 + 7 = 666.

It is not a de Polignac number, because 426486193497 - 2²² = 426481999193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (426486193417) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13688128 + ... + 13719249.

Almost surely, 2^426486193497 is an apocalyptic number.

It is an amenable number.

426486193497 is a deficient number, since it is larger than the sum of its proper divisors (371616653863).

426486193497 is a wasteful number, since it uses less digits than its factorization.

426486193497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27407422 (or 27407419 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 63.

The spelling of 426486193497 in words is "four hundred twenty-six billion, four hundred eighty-six million, one hundred ninety-three thousand, four hundred ninety-seven".