5993647672561 has 2 divisors, whose sum is σ = 5993647672562. Its totient is φ = 5993647672560.

The previous prime is 5993647672553. The next prime is 5993647672681. The reversal of 5993647672561 is 1652767463995.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5833403579536 + 160244093025 = 2415244^2 + 400305^2 .

It is a cyclic number.

It is not a de Polignac number, because 5993647672561 - 2³ = 5993647672553 is a prime.

It is not a weakly prime, because it can be changed into another prime (5993647672511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2996823836280 + 2996823836281.

It is an arithmetic number, because the mean of its divisors is an integer number (2996823836281).

Almost surely, 2^{5993647672561} is an apocalyptic number.

It is an amenable number.

5993647672561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5993647672561 is an equidigital number, since it uses as much as digits as its factorization.

5993647672561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 514382400, while the sum is 70.

The spelling of 5993647672561 in words is "five trillion, nine hundred ninety-three billion, six hundred forty-seven million, six hundred seventy-two thousand, five hundred sixty-one".