36821690236 has 12 divisors (see below), whose sum is σ = 64587468960. Its totient is φ = 18368127680.

The previous prime is 36821690179. The next prime is 36821690249. The reversal of 36821690236 is 63209612863.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10677421 + ... + 10680868.

It is an arithmetic number, because the mean of its divisors is an integer number (5382289080).

Almost surely, 2^36821690236 is an apocalyptic number.

It is an amenable number.

36821690236 is a deficient number, since it is larger than the sum of its proper divisors (27765778724).

36821690236 is a wasteful number, since it uses less digits than its factorization.

36821690236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21358724 (or 21358722 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 36821690236 in words is "thirty-six billion, eight hundred twenty-one million, six hundred ninety thousand, two hundred thirty-six".