21919500773006 has 32 divisors (see below), whose sum is σ = 33533773635648. Its totient is φ = 10742863127040.

The previous prime is 21919500772973. The next prime is 21919500773057. The reversal of 21919500773006 is 60037700591912.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58835591 + ... + 59206973.

It is an arithmetic number, because the mean of its divisors is an integer number (1047930426114).

Almost surely, 2^{21919500773006} is an apocalyptic number.

21919500773006 is a deficient number, since it is larger than the sum of its proper divisors (11614272862642).

21919500773006 is a wasteful number, since it uses less digits than its factorization.

21919500773006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373116.

The product of its (nonzero) digits is 714420, while the sum is 50.

The spelling of 21919500773006 in words is "twenty-one trillion, nine hundred nineteen billion, five hundred million, seven hundred seventy-three thousand, six".