13404473381 has 8 divisors (see below), whose sum is σ = 15195354720. Its totient is φ = 11722130352.

The previous prime is 13404473353. The next prime is 13404473387. The reversal of 13404473381 is 18337440431.

It is a happy number.

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 13404473381 - 2¹⁴ = 13404456997 is a prime.

It is a super-2 number, since 2×13404473381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13404473387) 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, 27134315 + ... + 27134808.

It is an arithmetic number, because the mean of its divisors is an integer number (1899419340).

Almost surely, 2^13404473381 is an apocalyptic number.

It is an amenable number.

13404473381 is a deficient number, since it is larger than the sum of its proper divisors (1790881339).

13404473381 is a wasteful number, since it uses less digits than its factorization.

13404473381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54269155.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 13404473381 in words is "thirteen billion, four hundred four million, four hundred seventy-three thousand, three hundred eighty-one".