36581331089 has 4 divisors (see below), whose sum is σ = 36581756400. Its totient is φ = 36580905780.

The previous prime is 36581331077. The next prime is 36581331103. The reversal of 36581331089 is 98013318563.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98013318563 = 201581 ⋅486223.

It is a cyclic number.

It is not a de Polignac number, because 36581331089 - 2¹² = 36581326993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36581351089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33107 + ... + 272504.

It is an arithmetic number, because the mean of its divisors is an integer number (9145439100).

Almost surely, 2^36581331089 is an apocalyptic number.

It is an amenable number.

36581331089 is a deficient number, since it is larger than the sum of its proper divisors (425311).

36581331089 is a wasteful number, since it uses less digits than its factorization.

36581331089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425310.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 36581331089 in words is "thirty-six billion, five hundred eighty-one million, three hundred thirty-one thousand, eighty-nine".