13442881005 has 24 divisors (see below), whose sum is σ = 23648775072. Its totient is φ = 7062526944.

The previous prime is 13442880991. The next prime is 13442881051. The reversal of 13442881005 is 50018824431.

It is not a de Polignac number, because 13442881005 - 2¹⁷ = 13442749933 is a prime.

It is a super-2 number, since 2×13442881005² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2226319 + ... + 2232348.

It is an arithmetic number, because the mean of its divisors is an integer number (985365628).

Almost surely, 2^13442881005 is an apocalyptic number.

13442881005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13442881005 is a deficient number, since it is larger than the sum of its proper divisors (10205894067).

13442881005 is a wasteful number, since it uses less digits than its factorization.

13442881005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4458745 (or 4458742 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 13442881005 in words is "thirteen billion, four hundred forty-two million, eight hundred eighty-one thousand, five".