51833393497 has 2 divisors, whose sum is σ = 51833393498. Its totient is φ = 51833393496.

The previous prime is 51833393459. The next prime is 51833393501. The reversal of 51833393497 is 79439333815.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47174102416 + 4659291081 = 217196^2 + 68259^2 .

It is a cyclic number.

It is not a de Polignac number, because 51833393497 - 2¹⁵ = 51833360729 is a prime.

It is not a weakly prime, because it can be changed into another prime (51833393597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25916696748 + 25916696749.

It is an arithmetic number, because the mean of its divisors is an integer number (25916696749).

Almost surely, 2^51833393497 is an apocalyptic number.

It is an amenable number.

51833393497 is a deficient number, since it is larger than the sum of its proper divisors (1).

51833393497 is an equidigital number, since it uses as much as digits as its factorization.

51833393497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7348320, while the sum is 55.

The spelling of 51833393497 in words is "fifty-one billion, eight hundred thirty-three million, three hundred ninety-three thousand, four hundred ninety-seven".