36642362981 has 8 divisors (see below), whose sum is σ = 41879802240. Its totient is φ = 31405627728.

The previous prime is 36642362971. The next prime is 36642362983. The reversal of 36642362981 is 18926324663.

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-36642362981 is a prime.

It is a super-2 number, since 2×36642362981² (a number of 22 digits) contains 22 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 (36642362983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59306 + ... + 277131.

It is an arithmetic number, because the mean of its divisors is an integer number (5234975280).

Almost surely, 2^36642362981 is an apocalyptic number.

It is an amenable number.

36642362981 is a deficient number, since it is larger than the sum of its proper divisors (5237439259).

36642362981 is a wasteful number, since it uses less digits than its factorization.

36642362981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352003.

The product of its digits is 2239488, while the sum is 50.

The spelling of 36642362981 in words is "thirty-six billion, six hundred forty-two million, three hundred sixty-two thousand, nine hundred eighty-one".