51403043072783 has 2 divisors, whose sum is σ = 51403043072784. Its totient is φ = 51403043072782.

The previous prime is 51403043072753. The next prime is 51403043072789. The reversal of 51403043072783 is 38727034030415.

51403043072783 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 51403043072783 - 2²² = 51403038878479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51403043072789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25701521536391 + 25701521536392.

It is an arithmetic number, because the mean of its divisors is an integer number (25701521536392).

Almost surely, 2^{51403043072783} is an apocalyptic number.

51403043072783 is a deficient number, since it is larger than the sum of its proper divisors (1).

51403043072783 is an equidigital number, since it uses as much as digits as its factorization.

51403043072783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 51403043072783 in words is "fifty-one trillion, four hundred three billion, forty-three million, seventy-two thousand, seven hundred eighty-three".