51334646426 has 16 divisors (see below), whose sum is σ = 88873562880. Its totient is φ = 21782734800.

The previous prime is 51334646401. The next prime is 51334646453. The reversal of 51334646426 is 62464643315.

It is a super-3 number, since 3×51334646426³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18150866 + ... + 18153693.

It is an arithmetic number, because the mean of its divisors is an integer number (5554597680).

Almost surely, 2^51334646426 is an apocalyptic number.

51334646426 is a deficient number, since it is larger than the sum of its proper divisors (37538916454).

51334646426 is a wasteful number, since it uses less digits than its factorization.

51334646426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36304669.

The product of its digits is 1244160, while the sum is 44.

The spelling of 51334646426 in words is "fifty-one billion, three hundred thirty-four million, six hundred forty-six thousand, four hundred twenty-six".