51033433043 has 2 divisors, whose sum is σ = 51033433044. Its totient is φ = 51033433042.

The previous prime is 51033433027. The next prime is 51033433079. The reversal of 51033433043 is 34033433015.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51033433043 - 2⁴ = 51033433027 is a prime.

It is a super-2 number, since 2×51033433043² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51033432997 and 51033433015.

It is not a weakly prime, because it can be changed into another prime (51033436043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25516716521 + 25516716522.

It is an arithmetic number, because the mean of its divisors is an integer number (25516716522).

Almost surely, 2^51033433043 is an apocalyptic number.

51033433043 is a deficient number, since it is larger than the sum of its proper divisors (1).

51033433043 is an equidigital number, since it uses as much as digits as its factorization.

51033433043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 29.

Adding to 51033433043 its reverse (34033433015), we get a palindrome (85066866058).

The spelling of 51033433043 in words is "fifty-one billion, thirty-three million, four hundred thirty-three thousand, forty-three".