426803730957 has 32 divisors (see below), whose sum is σ = 692582140800. Its totient is φ = 258563983104.

The previous prime is 426803730949. The next prime is 426803731019. The reversal of 426803730957 is 759037308624.

426803730957 is a `hidden beast` number, since 4 + 268 + 0 + 373 + 0 + 9 + 5 + 7 = 666.

It is not a de Polignac number, because 426803730957 - 2³ = 426803730949 is a prime.

It is a super-2 number, since 2×426803730957² (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 (426803730907) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16018683 + ... + 16045304.

It is an arithmetic number, because the mean of its divisors is an integer number (21643191900).

Almost surely, 2^426803730957 is an apocalyptic number.

It is an amenable number.

426803730957 is a deficient number, since it is larger than the sum of its proper divisors (265778409843).

426803730957 is a wasteful number, since it uses less digits than its factorization.

426803730957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32064042 (or 32064036 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 426803730957 in words is "four hundred twenty-six billion, eight hundred three million, seven hundred thirty thousand, nine hundred fifty-seven".