5766746672021 has 2 divisors, whose sum is σ = 5766746672022. Its totient is φ = 5766746672020.

The previous prime is 5766746671999. The next prime is 5766746672047. The reversal of 5766746672021 is 1202766476675.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5367960736996 + 398785935025 = 2316886^2 + 631495^2 .

It is a cyclic number.

It is not a de Polignac number, because 5766746672021 - 2³⁸ = 5491868765077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5766746672321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2883373336010 + 2883373336011.

It is an arithmetic number, because the mean of its divisors is an integer number (2883373336011).

Almost surely, 2^{5766746672021} is an apocalyptic number.

It is an amenable number.

5766746672021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5766746672021 is an equidigital number, since it uses as much as digits as its factorization.

5766746672021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35562240, while the sum is 59.

The spelling of 5766746672021 in words is "five trillion, seven hundred sixty-six billion, seven hundred forty-six million, six hundred seventy-two thousand, twenty-one".