36011994979 has 4 divisors (see below), whose sum is σ = 36077830984. Its totient is φ = 35946158976.

The previous prime is 36011994947. The next prime is 36011995003. The reversal of 36011994979 is 97949911063.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97949911063 = 19 ⋅5155258477.

It is a cyclic number.

It is not a de Polignac number, because 36011994979 - 2⁵ = 36011994947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36011994919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32917182 + ... + 32918275.

It is an arithmetic number, because the mean of its divisors is an integer number (9019457746).

Almost surely, 2^36011994979 is an apocalyptic number.

36011994979 is a deficient number, since it is larger than the sum of its proper divisors (65836005).

36011994979 is an equidigital number, since it uses as much as digits as its factorization.

36011994979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65836004.

The product of its (nonzero) digits is 3306744, while the sum is 58.

The spelling of 36011994979 in words is "thirty-six billion, eleven million, nine hundred ninety-four thousand, nine hundred seventy-nine".