8573552994541 has 2 divisors, whose sum is σ = 8573552994542. Its totient is φ = 8573552994540.

The previous prime is 8573552994511. The next prime is 8573552994547. The reversal of 8573552994541 is 1454992553758.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7400826438916 + 1172726555625 = 2720446^2 + 1082925^2 .

It is a cyclic number.

It is not a de Polignac number, because 8573552994541 - 2²¹ = 8573550897389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8573552994547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4286776497270 + 4286776497271.

It is an arithmetic number, because the mean of its divisors is an integer number (4286776497271).

Almost surely, 2^{8573552994541} is an apocalyptic number.

It is an amenable number.

8573552994541 is a deficient number, since it is larger than the sum of its proper divisors (1).

8573552994541 is an equidigital number, since it uses as much as digits as its factorization.

8573552994541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160000, while the sum is 67.

The spelling of 8573552994541 in words is "eight trillion, five hundred seventy-three billion, five hundred fifty-two million, nine hundred ninety-four thousand, five hundred forty-one".