5622864487861 has 2 divisors, whose sum is σ = 5622864487862. Its totient is φ = 5622864487860.

The previous prime is 5622864487787. The next prime is 5622864487909. The reversal of 5622864487861 is 1687844682265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3547553415025 + 2075311072836 = 1883495^2 + 1440594^2 .

It is a cyclic number.

It is not a de Polignac number, because 5622864487861 - 2⁷ = 5622864487733 is a prime.

It is a super-3 number, since 3×5622864487861³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5622864427861) 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, 2811432243930 + 2811432243931.

It is an arithmetic number, because the mean of its divisors is an integer number (2811432243931).

Almost surely, 2^{5622864487861} is an apocalyptic number.

It is an amenable number.

5622864487861 is a deficient number, since it is larger than the sum of its proper divisors (1).

5622864487861 is an equidigital number, since it uses as much as digits as its factorization.

5622864487861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 247726080, while the sum is 67.

The spelling of 5622864487861 in words is "five trillion, six hundred twenty-two billion, eight hundred sixty-four million, four hundred eighty-seven thousand, eight hundred sixty-one".