5573871574781 has 2 divisors, whose sum is σ = 5573871574782. Its totient is φ = 5573871574780.

The previous prime is 5573871574769. The next prime is 5573871574787. The reversal of 5573871574781 is 1874751783755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2927637349156 + 2646234225625 = 1711034^2 + 1626725^2 .

It is a cyclic number.

It is not a de Polignac number, because 5573871574781 - 2¹⁸ = 5573871312637 is a prime.

It is a super-2 number, since 2×5573871574781² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5573871574787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2786935787390 + 2786935787391.

It is an arithmetic number, because the mean of its divisors is an integer number (2786935787391).

Almost surely, 2^{5573871574781} is an apocalyptic number.

It is an amenable number.

5573871574781 is a deficient number, since it is larger than the sum of its proper divisors (1).

5573871574781 is an equidigital number, since it uses as much as digits as its factorization.

5573871574781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 230496000, while the sum is 68.

The spelling of 5573871574781 in words is "five trillion, five hundred seventy-three billion, eight hundred seventy-one million, five hundred seventy-four thousand, seven hundred eighty-one".