13431404673 has 12 divisors (see below), whose sum is σ = 19440437328. Its totient is φ = 8936030040.

The previous prime is 13431404663. The next prime is 13431404677. The reversal of 13431404673 is 37640413431.

13431404673 is a `hidden beast` number, since 13 + 43 + 140 + 467 + 3 = 666.

It is not a de Polignac number, because 13431404673 - 2¹³ = 13431396481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13431404677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1515315 + ... + 1524152.

It is an arithmetic number, because the mean of its divisors is an integer number (1620036444).

Almost surely, 2^13431404673 is an apocalyptic number.

It is an amenable number.

13431404673 is a deficient number, since it is larger than the sum of its proper divisors (6009032655).

13431404673 is a wasteful number, since it uses less digits than its factorization.

13431404673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3039964 (or 3039961 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 13431404673 in words is "thirteen billion, four hundred thirty-one million, four hundred four thousand, six hundred seventy-three".