21337629914 has 8 divisors (see below), whose sum is σ = 32305570848. Its totient is φ = 10569106300.

The previous prime is 21337629881. The next prime is 21337629949. The reversal of 21337629914 is 41992673312.

It is a happy number.

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, 49854062 + ... + 49854489.

It is an arithmetic number, because the mean of its divisors is an integer number (4038196356).

Almost surely, 2^21337629914 is an apocalyptic number.

21337629914 is a deficient number, since it is larger than the sum of its proper divisors (10967940934).

21337629914 is a wasteful number, since it uses less digits than its factorization.

21337629914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99708660.

The product of its digits is 489888, while the sum is 47.

The spelling of 21337629914 in words is "twenty-one billion, three hundred thirty-seven million, six hundred twenty-nine thousand, nine hundred fourteen".