21466038934 has 8 divisors (see below), whose sum is σ = 32200993440. Its totient is φ = 10732374456.

The previous prime is 21466038889. The next prime is 21466038953. The reversal of 21466038934 is 43983066412.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 279774 + ... + 348145.

It is an arithmetic number, because the mean of its divisors is an integer number (4025124180).

Almost surely, 2^21466038934 is an apocalyptic number.

21466038934 is a deficient number, since it is larger than the sum of its proper divisors (10734954506).

21466038934 is a wasteful number, since it uses less digits than its factorization.

21466038934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645014.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 21466038934 in words is "twenty-one billion, four hundred sixty-six million, thirty-eight thousand, nine hundred thirty-four".