13919795381 has 8 divisors (see below), whose sum is σ = 14745706560. Its totient is φ = 13094673088.

The previous prime is 13919795359. The next prime is 13919795389. The reversal of 13919795381 is 18359791931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13919795381 - 2⁶ = 13919795317 is a prime.

It is a super-2 number, since 2×13919795381² (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 (13919795389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160691 + ... + 231648.

It is an arithmetic number, because the mean of its divisors is an integer number (1843213320).

Almost surely, 2^13919795381 is an apocalyptic number.

It is an amenable number.

13919795381 is a deficient number, since it is larger than the sum of its proper divisors (825911179).

13919795381 is a wasteful number, since it uses less digits than its factorization.

13919795381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394443.

The product of its digits is 1837080, while the sum is 56.

The spelling of 13919795381 in words is "thirteen billion, nine hundred nineteen million, seven hundred ninety-five thousand, three hundred eighty-one".