51040270847 has 2 divisors, whose sum is σ = 51040270848. Its totient is φ = 51040270846.

The previous prime is 51040270837. The next prime is 51040270901. The reversal of 51040270847 is 74807204015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51040270847 - 2²⁰ = 51039222271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51040270847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51040270837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25520135423 + 25520135424.

It is an arithmetic number, because the mean of its divisors is an integer number (25520135424).

Almost surely, 2^51040270847 is an apocalyptic number.

51040270847 is a deficient number, since it is larger than the sum of its proper divisors (1).

51040270847 is an equidigital number, since it uses as much as digits as its factorization.

51040270847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62720, while the sum is 38.

The spelling of 51040270847 in words is "fifty-one billion, forty million, two hundred seventy thousand, eight hundred forty-seven".