13447674431 has 8 divisors (see below), whose sum is σ = 14033710080. Its totient is φ = 12861751672.

The previous prime is 13447674421. The next prime is 13447674511.

13447674431 is nontrivially palindromic in base 10.

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 13447674431 - 2¹⁴ = 13447658047 is a prime.

It is a super-2 number, since 2×13447674431² (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 (13447674421) 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, 293246 + ... + 335988.

It is an arithmetic number, because the mean of its divisors is an integer number (1754213760).

Almost surely, 2^13447674431 is an apocalyptic number.

13447674431 is a deficient number, since it is larger than the sum of its proper divisors (586035649).

13447674431 is a wasteful number, since it uses less digits than its factorization.

13447674431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56445.

The product of its digits is 677376, while the sum is 44.

The spelling of 13447674431 in words is "thirteen billion, four hundred forty-seven million, six hundred seventy-four thousand, four hundred thirty-one".