21633061895036 has 12 divisors (see below), whose sum is σ = 37885674533280. Its totient is φ = 10808583456960.

The previous prime is 21633061895009. The next prime is 21633061895047. The reversal of 21633061895036 is 63059816033612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1986866516 + ... + 1986877403.

It is an arithmetic number, because the mean of its divisors is an integer number (3157139544440).

Almost surely, 2^{21633061895036} is an apocalyptic number.

It is an amenable number.

21633061895036 is a deficient number, since it is larger than the sum of its proper divisors (16252612638244).

21633061895036 is a wasteful number, since it uses less digits than its factorization.

21633061895036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3973745284 (or 3973745282 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 53.

The spelling of 21633061895036 in words is "twenty-one trillion, six hundred thirty-three billion, sixty-one million, eight hundred ninety-five thousand, thirty-six".