21344554034 has 8 divisors (see below), whose sum is σ = 33900174108. Its totient is φ = 10044496000.

The previous prime is 21344554019. The next prime is 21344554069. The reversal of 21344554034 is 43045544312.

It can be written as a sum of positive squares in 2 ways, for example, as 20942431225 + 402122809 = 144715^2 + 20053^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 21344553985 and 21344554003.

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, 313890467 + ... + 313890534.

Almost surely, 2^21344554034 is an apocalyptic number.

21344554034 is a deficient number, since it is larger than the sum of its proper divisors (12555620074).

21344554034 is a wasteful number, since it uses less digits than its factorization.

21344554034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627781020.

The product of its (nonzero) digits is 115200, while the sum is 35.

The spelling of 21344554034 in words is "twenty-one billion, three hundred forty-four million, five hundred fifty-four thousand, thirty-four".