36681741979 has 4 divisors (see below), whose sum is σ = 36843335784. Its totient is φ = 36520148176.

The previous prime is 36681741961. The next prime is 36681741989. The reversal of 36681741979 is 97914718663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97914718663 = 23 ⋅4257161681.

It is a cyclic number.

It is not a de Polignac number, because 36681741979 - 2¹¹ = 36681739931 is a prime.

It is a super-2 number, since 2×36681741979² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36681741919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80796562 + ... + 80797015.

It is an arithmetic number, because the mean of its divisors is an integer number (9210833946).

Almost surely, 2^36681741979 is an apocalyptic number.

36681741979 is a deficient number, since it is larger than the sum of its proper divisors (161593805).

36681741979 is a wasteful number, since it uses less digits than its factorization.

36681741979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161593804.

The product of its digits is 13716864, while the sum is 61.

The spelling of 36681741979 in words is "thirty-six billion, six hundred eighty-one million, seven hundred forty-one thousand, nine hundred seventy-nine".