36421223685 has 128 divisors (see below), whose sum is σ = 75565301760. Its totient is φ = 14535091200.

The previous prime is 36421223653. The next prime is 36421223693. The reversal of 36421223685 is 58632212463.

It is a happy number.

It is not a de Polignac number, because 36421223685 - 2⁵ = 36421223653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6394699 + ... + 6400391.

It is an arithmetic number, because the mean of its divisors is an integer number (590353920).

Almost surely, 2^36421223685 is an apocalyptic number.

36421223685 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

36421223685 is an abundant number, since it is smaller than the sum of its proper divisors (39144078075).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36421223685 is a wasteful number, since it uses less digits than its factorization.

36421223685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5939.

The product of its digits is 414720, while the sum is 42.

The spelling of 36421223685 in words is "thirty-six billion, four hundred twenty-one million, two hundred twenty-three thousand, six hundred eighty-five".