51144601373 has 2 divisors, whose sum is σ = 51144601374. Its totient is φ = 51144601372.

The previous prime is 51144601357. The next prime is 51144601379. The reversal of 51144601373 is 37310644115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45557487364 + 5587114009 = 213442^2 + 74747^2 .

It is a cyclic number.

It is not a de Polignac number, because 51144601373 - 2⁴ = 51144601357 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51144601379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25572300686 + 25572300687.

It is an arithmetic number, because the mean of its divisors is an integer number (25572300687).

Almost surely, 2^51144601373 is an apocalyptic number.

It is an amenable number.

51144601373 is a deficient number, since it is larger than the sum of its proper divisors (1).

51144601373 is an equidigital number, since it uses as much as digits as its factorization.

51144601373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 51144601373 in words is "fifty-one billion, one hundred forty-four million, six hundred one thousand, three hundred seventy-three".