51454108193 has 2 divisors, whose sum is σ = 51454108194. Its totient is φ = 51454108192.

The previous prime is 51454108169. The next prime is 51454108213. The reversal of 51454108193 is 39180145415.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45427380769 + 6026727424 = 213137^2 + 77632^2 .

It is a cyclic number.

It is not a de Polignac number, because 51454108193 - 2¹⁰ = 51454107169 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51454108193.

It is not a weakly prime, because it can be changed into another prime (51454108103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25727054096 + 25727054097.

It is an arithmetic number, because the mean of its divisors is an integer number (25727054097).

Almost surely, 2^51454108193 is an apocalyptic number.

It is an amenable number.

51454108193 is a deficient number, since it is larger than the sum of its proper divisors (1).

51454108193 is an equidigital number, since it uses as much as digits as its factorization.

51454108193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 51454108193 in words is "fifty-one billion, four hundred fifty-four million, one hundred eight thousand, one hundred ninety-three".