36531605233 has 4 divisors (see below), whose sum is σ = 36533602548. Its totient is φ = 36529607920.

The previous prime is 36531605183. The next prime is 36531605267. The reversal of 36531605233 is 33250613563.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33250613563 = 9133 ⋅3640711.

It can be written as a sum of positive squares in 2 ways, for example, as 12713239009 + 23818366224 = 112753^2 + 154332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36531605233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36531605192 and 36531605201.

It is not an unprimeable number, because it can be changed into a prime (36531605293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 970966 + ... + 1007887.

It is an arithmetic number, because the mean of its divisors is an integer number (9133400637).

Almost surely, 2^36531605233 is an apocalyptic number.

It is an amenable number.

36531605233 is a deficient number, since it is larger than the sum of its proper divisors (1997315).

36531605233 is a wasteful number, since it uses less digits than its factorization.

36531605233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997314.

The product of its (nonzero) digits is 145800, while the sum is 37.

The spelling of 36531605233 in words is "thirty-six billion, five hundred thirty-one million, six hundred five thousand, two hundred thirty-three".