36649239121 has 16 divisors (see below), whose sum is σ = 41034708288. Its totient is φ = 32442508800.

The previous prime is 36649239119. The next prime is 36649239191. The reversal of 36649239121 is 12193294663.

It is a cyclic number.

It is not a de Polignac number, because 36649239121 - 2¹ = 36649239119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36649239191) 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 15 ways as a sum of consecutive naturals, for example, 158185 + ... + 313561.

It is an arithmetic number, because the mean of its divisors is an integer number (2564669268).

Almost surely, 2^36649239121 is an apocalyptic number.

It is an amenable number.

36649239121 is a deficient number, since it is larger than the sum of its proper divisors (4385469167).

36649239121 is a wasteful number, since it uses less digits than its factorization.

36649239121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155952.

The product of its digits is 419904, while the sum is 46.

The spelling of 36649239121 in words is "thirty-six billion, six hundred forty-nine million, two hundred thirty-nine thousand, one hundred twenty-one".