215983921273067 has 2 divisors, whose sum is σ = 215983921273068. Its totient is φ = 215983921273066.

The previous prime is 215983921273033. The next prime is 215983921273073. The reversal of 215983921273067 is 760372129389512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 215983921273067 - 2⁸ = 215983921272811 is a prime.

It is a super-3 number, since 3×215983921273067³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 215983921272994 and 215983921273012.

It is not a weakly prime, because it can be changed into another prime (215983921273027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107991960636533 + 107991960636534.

It is an arithmetic number, because the mean of its divisors is an integer number (107991960636534).

Almost surely, 2^{215983921273067} is an apocalyptic number.

215983921273067 is a deficient number, since it is larger than the sum of its proper divisors (1).

215983921273067 is an equidigital number, since it uses as much as digits as its factorization.

215983921273067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68584320, while the sum is 65.

The spelling of 215983921273067 in words is "two hundred fifteen trillion, nine hundred eighty-three billion, nine hundred twenty-one million, two hundred seventy-three thousand, sixty-seven".