36030810781 has 6 divisors (see below), whose sum is σ = 41913392190. Its totient is φ = 30883552056.

The previous prime is 36030810757. The next prime is 36030810811. The reversal of 36030810781 is 18701803063.

It can be written as a sum of positive squares in only one way, i.e., 33794939556 + 2235871225 = 183834^2 + 47285^2 .

It is not a de Polignac number, because 36030810781 - 2⁷ = 36030810653 is a prime.

It is a super-2 number, since 2×36030810781² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36030810781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36030810731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 367661286 + ... + 367661383.

It is an arithmetic number, because the mean of its divisors is an integer number (6985565365).

Almost surely, 2^36030810781 is an apocalyptic number.

It is an amenable number.

36030810781 is a deficient number, since it is larger than the sum of its proper divisors (5882581409).

36030810781 is an equidigital number, since it uses as much as digits as its factorization.

36030810781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735322683 (or 735322676 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 36030810781 in words is "thirty-six billion, thirty million, eight hundred ten thousand, seven hundred eighty-one".