21964470002 has 8 divisors (see below), whose sum is σ = 32954914800. Its totient is φ = 10979498404.

The previous prime is 21964470001. The next prime is 21964470007. The reversal of 21964470002 is 20007446912.

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

It is not an unprimeable number, because it can be changed into a prime (21964470001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1358252 + ... + 1374327.

It is an arithmetic number, because the mean of its divisors is an integer number (4119364350).

Almost surely, 2^21964470002 is an apocalyptic number.

21964470002 is a deficient number, since it is larger than the sum of its proper divisors (10990444798).

21964470002 is a wasteful number, since it uses less digits than its factorization.

21964470002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736600.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 21964470002 in words is "twenty-one billion, nine hundred sixty-four million, four hundred seventy thousand, two".