36265723821 has 12 divisors (see below), whose sum is σ = 52446270240. Its totient is φ = 24148327560.

The previous prime is 36265723799. The next prime is 36265723831. The reversal of 36265723821 is 12832756263.

36265723821 is a `hidden beast` number, since 3 + 6 + 26 + 572 + 38 + 21 = 666.

36265723821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36265723821 - 2¹⁰ = 36265722797 is a prime.

It is a super-2 number, since 2×36265723821² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36265723831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2393835 + ... + 2408936.

It is an arithmetic number, because the mean of its divisors is an integer number (4370522520).

Almost surely, 2^36265723821 is an apocalyptic number.

It is an amenable number.

36265723821 is a deficient number, since it is larger than the sum of its proper divisors (16180546419).

36265723821 is a wasteful number, since it uses less digits than its factorization.

36265723821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4803616 (or 4803613 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The spelling of 36265723821 in words is "thirty-six billion, two hundred sixty-five million, seven hundred twenty-three thousand, eight hundred twenty-one".