13281003958 has 20 divisors (see below), whose sum is σ = 20457777780. Its totient is φ = 6464572932.

The previous prime is 13281003943. The next prime is 13281003977. The reversal of 13281003958 is 85930018231.

13281003958 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13281003958² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13281003958.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 128941735 + ... + 128941837.

It is an arithmetic number, because the mean of its divisors is an integer number (1022888889).

Almost surely, 2^13281003958 is an apocalyptic number.

13281003958 is a deficient number, since it is larger than the sum of its proper divisors (7176773822).

13281003958 is an frugal number, since it uses more digits than its factorization.

13281003958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 13281003958 in words is "thirteen billion, two hundred eighty-one million, three thousand, nine hundred fifty-eight".