36521565650 has 12 divisors (see below), whose sum is σ = 67930112202. Its totient is φ = 14608626240.

The previous prime is 36521565637. The next prime is 36521565653. The reversal of 36521565650 is 5656512563.

It can be written as a sum of positive squares in 3 ways, for example, as 32586387289 + 3935178361 = 180517^2 + 62731^2 .

It is not an unprimeable number, because it can be changed into a prime (36521565653) 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, 365215607 + ... + 365215706.

Almost surely, 2^36521565650 is an apocalyptic number.

36521565650 is a deficient number, since it is larger than the sum of its proper divisors (31408546552).

36521565650 is a wasteful number, since it uses less digits than its factorization.

36521565650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730431325 (or 730431320 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 44.

The spelling of 36521565650 in words is "thirty-six billion, five hundred twenty-one million, five hundred sixty-five thousand, six hundred fifty".