5868431372821 has 2 divisors, whose sum is σ = 5868431372822. Its totient is φ = 5868431372820.

The previous prime is 5868431372777. The next prime is 5868431372861. The reversal of 5868431372821 is 1282731348685.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5851628732196 + 16802640625 = 2419014^2 + 129625^2 .

It is a cyclic number.

It is not a de Polignac number, because 5868431372821 - 2¹¹ = 5868431370773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5868431372861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2934215686410 + 2934215686411.

It is an arithmetic number, because the mean of its divisors is an integer number (2934215686411).

Almost surely, 2^{5868431372821} is an apocalyptic number.

It is an amenable number.

5868431372821 is a deficient number, since it is larger than the sum of its proper divisors (1).

5868431372821 is an equidigital number, since it uses as much as digits as its factorization.

5868431372821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15482880, while the sum is 58.

The spelling of 5868431372821 in words is "five trillion, eight hundred sixty-eight billion, four hundred thirty-one million, three hundred seventy-two thousand, eight hundred twenty-one".