21413093466 has 32 divisors (see below), whose sum is σ = 43203760128. Its totient is φ = 7074975600.

The previous prime is 21413093447. The next prime is 21413093473. The reversal of 21413093466 is 66439031412.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393955 + ... + 445001.

It is an arithmetic number, because the mean of its divisors is an integer number (1350117504).

Almost surely, 2^21413093466 is an apocalyptic number.

21413093466 is an abundant number, since it is smaller than the sum of its proper divisors (21790666662).

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

21413093466 is a wasteful number, since it uses less digits than its factorization.

21413093466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51666.

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 21413093466 in words is "twenty-one billion, four hundred thirteen million, ninety-three thousand, four hundred sixty-six".