51846913223191 has 2 divisors, whose sum is σ = 51846913223192. Its totient is φ = 51846913223190.

The previous prime is 51846913223167. The next prime is 51846913223233. The reversal of 51846913223191 is 19132231964815.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51846913223191 - 2⁵ = 51846913223159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51846913223491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25923456611595 + 25923456611596.

It is an arithmetic number, because the mean of its divisors is an integer number (25923456611596).

Almost surely, 2^{51846913223191} is an apocalyptic number.

51846913223191 is a deficient number, since it is larger than the sum of its proper divisors (1).

51846913223191 is an equidigital number, since it uses as much as digits as its factorization.

51846913223191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 55.

The spelling of 51846913223191 in words is "fifty-one trillion, eight hundred forty-six billion, nine hundred thirteen million, two hundred twenty-three thousand, one hundred ninety-one".