21348833914 has 4 divisors (see below), whose sum is σ = 32023250874. Its totient is φ = 10674416956.

The previous prime is 21348833873. The next prime is 21348833927. The reversal of 21348833914 is 41933884312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20769709689 + 579124225 = 144117^2 + 24065^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5337208477 + ... + 5337208480.

Almost surely, 2^21348833914 is an apocalyptic number.

21348833914 is a deficient number, since it is larger than the sum of its proper divisors (10674416960).

21348833914 is a wasteful number, since it uses less digits than its factorization.

21348833914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10674416959.

The product of its digits is 497664, while the sum is 46.

The spelling of 21348833914 in words is "twenty-one billion, three hundred forty-eight million, eight hundred thirty-three thousand, nine hundred fourteen".