215983921273033 has 2 divisors, whose sum is σ = 215983921273034. Its totient is φ = 215983921273032.

The previous prime is 215983921273027. The next prime is 215983921273067. The reversal of 215983921273033 is 330372129389512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146337602552064 + 69646318720969 = 12097008^2 + 8345437^2 .

It is a cyclic number.

It is not a de Polignac number, because 215983921273033 - 2²¹ = 215983919175881 is a prime.

It is not a weakly prime, because it can be changed into another prime (215983921273073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107991960636516 + 107991960636517.

It is an arithmetic number, because the mean of its divisors is an integer number (107991960636517).

Almost surely, 2^{215983921273033} is an apocalyptic number.

It is an amenable number.

215983921273033 is a deficient number, since it is larger than the sum of its proper divisors (1).

215983921273033 is an equidigital number, since it uses as much as digits as its factorization.

215983921273033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14696640, while the sum is 58.

The spelling of 215983921273033 in words is "two hundred fifteen trillion, nine hundred eighty-three billion, nine hundred twenty-one million, two hundred seventy-three thousand, thirty-three".