36802271721 has 8 divisors (see below), whose sum is σ = 51956148384. Its totient is φ = 23091621440.

The previous prime is 36802271689. The next prime is 36802271747. The reversal of 36802271721 is 12717220863.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36802271721 - 2⁵ = 36802271689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36802271721.

It is not an unprimeable number, because it can be changed into a prime (36802271771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360806535 + ... + 360806636.

It is an arithmetic number, because the mean of its divisors is an integer number (6494518548).

Almost surely, 2^36802271721 is an apocalyptic number.

It is an amenable number.

36802271721 is a deficient number, since it is larger than the sum of its proper divisors (15153876663).

36802271721 is a wasteful number, since it uses less digits than its factorization.

36802271721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721613191.

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 36802271721 in words is "thirty-six billion, eight hundred two million, two hundred seventy-one thousand, seven hundred twenty-one".