51033497651 has 2 divisors, whose sum is σ = 51033497652. Its totient is φ = 51033497650.

The previous prime is 51033497609. The next prime is 51033497689. The reversal of 51033497651 is 15679433015.

51033497651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51033497651 - 2⁶ = 51033497587 is a prime.

It is not a weakly prime, because it can be changed into another prime (51033497551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25516748825 + 25516748826.

It is an arithmetic number, because the mean of its divisors is an integer number (25516748826).

Almost surely, 2^51033497651 is an apocalyptic number.

51033497651 is a deficient number, since it is larger than the sum of its proper divisors (1).

51033497651 is an equidigital number, since it uses as much as digits as its factorization.

51033497651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 44.

The spelling of 51033497651 in words is "fifty-one billion, thirty-three million, four hundred ninety-seven thousand, six hundred fifty-one".