426820748433 has 16 divisors (see below), whose sum is σ = 602760841920. Its totient is φ = 267724486656.

The previous prime is 426820748429. The next prime is 426820748441. The reversal of 426820748433 is 334847028624.

It is not a de Polignac number, because 426820748433 - 2² = 426820748429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (426820748443) 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 15 ways as a sum of consecutive naturals, for example, 1158835 + ... + 1482072.

It is an arithmetic number, because the mean of its divisors is an integer number (37672552620).

Almost surely, 2^426820748433 is an apocalyptic number.

It is an amenable number.

426820748433 is a deficient number, since it is larger than the sum of its proper divisors (175940093487).

426820748433 is a wasteful number, since it uses less digits than its factorization.

426820748433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644096.

The product of its (nonzero) digits is 6193152, while the sum is 51.

The spelling of 426820748433 in words is "four hundred twenty-six billion, eight hundred twenty million, seven hundred forty-eight thousand, four hundred thirty-three".