51414310021777 has 2 divisors, whose sum is σ = 51414310021778. Its totient is φ = 51414310021776.

The previous prime is 51414310021577. The next prime is 51414310021793. The reversal of 51414310021777 is 77712001341415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47120591429136 + 4293718592641 = 6864444^2 + 2072129^2 .

It is a cyclic number.

It is not a de Polignac number, because 51414310021777 - 2³¹ = 51412162538129 is a prime.

It is not a weakly prime, because it can be changed into another prime (51414310021577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25707155010888 + 25707155010889.

It is an arithmetic number, because the mean of its divisors is an integer number (25707155010889).

Almost surely, 2^{51414310021777} is an apocalyptic number.

It is an amenable number.

51414310021777 is a deficient number, since it is larger than the sum of its proper divisors (1).

51414310021777 is an equidigital number, since it uses as much as digits as its factorization.

51414310021777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 164640, while the sum is 43.

The spelling of 51414310021777 in words is "fifty-one trillion, four hundred fourteen billion, three hundred ten million, twenty-one thousand, seven hundred seventy-seven".