51833393459 has 2 divisors, whose sum is σ = 51833393460. Its totient is φ = 51833393458.

The previous prime is 51833393411. The next prime is 51833393497. The reversal of 51833393459 is 95439333815.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51833393459 - 2³² = 47538426163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51833393459.

It is not a weakly prime, because it can be changed into another prime (51833393659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25916696729 + 25916696730.

It is an arithmetic number, because the mean of its divisors is an integer number (25916696730).

Almost surely, 2^51833393459 is an apocalyptic number.

51833393459 is a deficient number, since it is larger than the sum of its proper divisors (1).

51833393459 is an equidigital number, since it uses as much as digits as its factorization.

51833393459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5248800, while the sum is 53.

The spelling of 51833393459 in words is "fifty-one billion, eight hundred thirty-three million, three hundred ninety-three thousand, four hundred fifty-nine".