36889831690 has 12 divisors (see below), whose sum is σ = 66402790326. Its totient is φ = 14755689728.

The previous prime is 36889831663. The next prime is 36889831697. The reversal of 36889831690 is 9613898863.

It can be written as a sum of positive squares in 3 ways, for example, as 34401717529 + 2488114161 = 185477^2 + 49881^2 .

It is a super-2 number, since 2×36889831690² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36889831697) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 577002 + ... + 637738.

Almost surely, 2^36889831690 is an apocalyptic number.

36889831690 is a deficient number, since it is larger than the sum of its proper divisors (29512958636).

36889831690 is an frugal number, since it uses more digits than its factorization.

36889831690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121481 (or 60744 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 61.

The spelling of 36889831690 in words is "thirty-six billion, eight hundred eighty-nine million, eight hundred thirty-one thousand, six hundred ninety".