21344520914 has 8 divisors (see below), whose sum is σ = 32075314608. Its totient is φ = 10652749380.

The previous prime is 21344520907. The next prime is 21344520931. The reversal of 21344520914 is 41902544312.

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

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, 9754172 + ... + 9756359.

It is an arithmetic number, because the mean of its divisors is an integer number (4009414326).

Almost surely, 2^21344520914 is an apocalyptic number.

21344520914 is a deficient number, since it is larger than the sum of its proper divisors (10730793694).

21344520914 is a wasteful number, since it uses less digits than its factorization.

21344520914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19511080.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 21344520914 in words is "twenty-one billion, three hundred forty-four million, five hundred twenty thousand, nine hundred fourteen".