36646634047 has 8 divisors (see below), whose sum is σ = 38973090800. Its totient is φ = 34359945984.

The previous prime is 36646633987. The next prime is 36646634051. The reversal of 36646634047 is 74043664663.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36646634047 is a prime.

It is a super-3 number, since 3×36646634047³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36646634077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9940272 + ... + 9943957.

It is an arithmetic number, because the mean of its divisors is an integer number (4871636350).

Almost surely, 2^36646634047 is an apocalyptic number.

36646634047 is a deficient number, since it is larger than the sum of its proper divisors (2326456753).

36646634047 is a wasteful number, since it uses less digits than its factorization.

36646634047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19884345.

The product of its (nonzero) digits is 5225472, while the sum is 49.

The spelling of 36646634047 in words is "thirty-six billion, six hundred forty-six million, six hundred thirty-four thousand, forty-seven".