5662542851891 has 2 divisors, whose sum is σ = 5662542851892. Its totient is φ = 5662542851890.

The previous prime is 5662542851887. The next prime is 5662542851921. The reversal of 5662542851891 is 1981582452665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5662542851891 - 2² = 5662542851887 is a prime.

It is not a weakly prime, because it can be changed into another prime (5662542857891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2831271425945 + 2831271425946.

It is an arithmetic number, because the mean of its divisors is an integer number (2831271425946).

Almost surely, 2^{5662542851891} is an apocalyptic number.

5662542851891 is a deficient number, since it is larger than the sum of its proper divisors (1).

5662542851891 is an equidigital number, since it uses as much as digits as its factorization.

5662542851891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472000, while the sum is 62.

The spelling of 5662542851891 in words is "five trillion, six hundred sixty-two billion, five hundred forty-two million, eight hundred fifty-one thousand, eight hundred ninety-one".