7714716471821 has 2 divisors, whose sum is σ = 7714716471822. Its totient is φ = 7714716471820.

The previous prime is 7714716471799. The next prime is 7714716471823. The reversal of 7714716471821 is 1281746174177.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7372778061796 + 341938410025 = 2715286^2 + 584755^2 .

It is a cyclic number.

It is not a de Polignac number, because 7714716471821 - 2¹⁴ = 7714716455437 is a prime.

It is a Sophie Germain prime.

Together with 7714716471823, it forms a pair of twin primes.

It is a Chen 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 (7714716471823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3857358235910 + 3857358235911.

It is an arithmetic number, because the mean of its divisors is an integer number (3857358235911).

Almost surely, 2^{7714716471821} is an apocalyptic number.

It is an amenable number.

7714716471821 is a deficient number, since it is larger than the sum of its proper divisors (1).

7714716471821 is an equidigital number, since it uses as much as digits as its factorization.

7714716471821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3687936, while the sum is 56.

The spelling of 7714716471821 in words is "seven trillion, seven hundred fourteen billion, seven hundred sixteen million, four hundred seventy-one thousand, eight hundred twenty-one".