21442553033134 has 4 divisors (see below), whose sum is σ = 32163829549704. Its totient is φ = 10721276516566.

The previous prime is 21442553033113. The next prime is 21442553033141. The reversal of 21442553033134 is 43133035524412.

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

It is a super-3 number, since 3×21442553033134³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5360638258282 + ... + 5360638258285.

It is an arithmetic number, because the mean of its divisors is an integer number (8040957387426).

Almost surely, 2^{21442553033134} is an apocalyptic number.

21442553033134 is a deficient number, since it is larger than the sum of its proper divisors (10721276516570).

21442553033134 is a wasteful number, since it uses less digits than its factorization.

21442553033134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10721276516569.

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 21442553033134 its reverse (43133035524412), we get a palindrome (64575588557546).

The spelling of 21442553033134 in words is "twenty-one trillion, four hundred forty-two billion, five hundred fifty-three million, thirty-three thousand, one hundred thirty-four".