21444162034 has 8 divisors (see below), whose sum is σ = 32553788400. Its totient is φ = 10592899236.

The previous prime is 21444162017. The next prime is 21444162059. The reversal of 21444162034 is 43026144412.

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 = 21444161987 and 21444162005.

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, 64590684 + ... + 64591015.

It is an arithmetic number, because the mean of its divisors is an integer number (4069223550).

Almost surely, 2^21444162034 is an apocalyptic number.

21444162034 is a deficient number, since it is larger than the sum of its proper divisors (11109626366).

21444162034 is a wasteful number, since it uses less digits than its factorization.

21444162034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129181784.

The product of its (nonzero) digits is 18432, while the sum is 31.

The spelling of 21444162034 in words is "twenty-one billion, four hundred forty-four million, one hundred sixty-two thousand, thirty-four".