36645641009 has 8 divisors (see below), whose sum is σ = 36720915840. Its totient is φ = 36570438576.

The previous prime is 36645640979. The next prime is 36645641033. The reversal of 36645641009 is 90014654663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36645641009 - 2¹² = 36645636913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36645641209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1060202 + ... + 1094220.

It is an arithmetic number, because the mean of its divisors is an integer number (4590114480).

Almost surely, 2^36645641009 is an apocalyptic number.

It is an amenable number.

36645641009 is a deficient number, since it is larger than the sum of its proper divisors (75274831).

36645641009 is a wasteful number, since it uses less digits than its factorization.

36645641009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36199.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 36645641009 in words is "thirty-six billion, six hundred forty-five million, six hundred forty-one thousand, nine".