13374442381 has 16 divisors (see below), whose sum is σ = 13802019840. Its totient is φ = 12954942000.

The previous prime is 13374442363. The next prime is 13374442387. The reversal of 13374442381 is 18324447331.

It is a cyclic number.

It is not a de Polignac number, because 13374442381 - 2⁷ = 13374442253 is a prime.

It is a super-2 number, since 2×13374442381² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13374442387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1323510 + ... + 1333576.

It is an arithmetic number, because the mean of its divisors is an integer number (862626240).

Almost surely, 2^13374442381 is an apocalyptic number.

It is an amenable number.

13374442381 is a deficient number, since it is larger than the sum of its proper divisors (427577459).

13374442381 is a wasteful number, since it uses less digits than its factorization.

13374442381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10464.

The product of its digits is 193536, while the sum is 40.

The spelling of 13374442381 in words is "thirteen billion, three hundred seventy-four million, four hundred forty-two thousand, three hundred eighty-one".