36279218644 has 6 divisors (see below), whose sum is σ = 63488632634. Its totient is φ = 18139609320.

The previous prime is 36279218641. The next prime is 36279218669. The reversal of 36279218644 is 44681297263.

It can be written as a sum of positive squares in only one way, i.e., 36062010000 + 217208644 = 189900^2 + 14738^2 .

It is a junction number, because it is equal to n+sod(n) for n = 36279218591 and 36279218600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36279218641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4534902327 + ... + 4534902334.

Almost surely, 2^36279218644 is an apocalyptic number.

It is an amenable number.

36279218644 is a deficient number, since it is larger than the sum of its proper divisors (27209413990).

36279218644 is a wasteful number, since it uses less digits than its factorization.

36279218644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9069804665 (or 9069804663 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 52.

The spelling of 36279218644 in words is "thirty-six billion, two hundred seventy-nine million, two hundred eighteen thousand, six hundred forty-four".