51746286871 has 2 divisors, whose sum is σ = 51746286872. Its totient is φ = 51746286870.

The previous prime is 51746286751. The next prime is 51746286899. The reversal of 51746286871 is 17868264715.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51746286871 - 2³¹ = 49598803223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51746226871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25873143435 + 25873143436.

It is an arithmetic number, because the mean of its divisors is an integer number (25873143436).

Almost surely, 2^51746286871 is an apocalyptic number.

51746286871 is a deficient number, since it is larger than the sum of its proper divisors (1).

51746286871 is an equidigital number, since it uses as much as digits as its factorization.

51746286871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4515840, while the sum is 55.

The spelling of 51746286871 in words is "fifty-one billion, seven hundred forty-six million, two hundred eighty-six thousand, eight hundred seventy-one".