36233558281 has 2 divisors, whose sum is σ = 36233558282. Its totient is φ = 36233558280.

The previous prime is 36233558261. The next prime is 36233558287. The reversal of 36233558281 is 18285533263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32911765056 + 3321793225 = 181416^2 + 57635^2 .

It is a cyclic number.

It is not a de Polignac number, because 36233558281 - 2¹⁵ = 36233525513 is a prime.

It is a super-2 number, since 2×36233558281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36233558287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18116779140 + 18116779141.

It is an arithmetic number, because the mean of its divisors is an integer number (18116779141).

Almost surely, 2^36233558281 is an apocalyptic number.

It is an amenable number.

36233558281 is a deficient number, since it is larger than the sum of its proper divisors (1).

36233558281 is an equidigital number, since it uses as much as digits as its factorization.

36233558281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 46.

The spelling of 36233558281 in words is "thirty-six billion, two hundred thirty-three million, five hundred fifty-eight thousand, two hundred eighty-one".