21875488214 has 16 divisors (see below), whose sum is σ = 32905945968. Its totient is φ = 10906866432.

The previous prime is 21875488199. The next prime is 21875488273. The reversal of 21875488214 is 41288457812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2053169 + ... + 2063795.

It is an arithmetic number, because the mean of its divisors is an integer number (2056621623).

Almost surely, 2^21875488214 is an apocalyptic number.

21875488214 is a deficient number, since it is larger than the sum of its proper divisors (11030457754).

21875488214 is a wasteful number, since it uses less digits than its factorization.

21875488214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13439.

The product of its digits is 1146880, while the sum is 50.

The spelling of 21875488214 in words is "twenty-one billion, eight hundred seventy-five million, four hundred eighty-eight thousand, two hundred fourteen".