13494849431 has 8 divisors (see below), whose sum is σ = 15427702560. Its totient is φ = 11563250688.

The previous prime is 13494849419. The next prime is 13494849437.

It is a happy number.

13494849431 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 13494849431 - 2²² = 13490655127 is a prime.

It is a super-2 number, since 2×13494849431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13494849431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13494849437) 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, 290426 + ... + 333671.

It is an arithmetic number, because the mean of its divisors is an integer number (1928462820).

Almost surely, 2^13494849431 is an apocalyptic number.

13494849431 is a deficient number, since it is larger than the sum of its proper divisors (1932853129).

13494849431 is an equidigital number, since it uses as much as digits as its factorization.

13494849431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627193.

The product of its digits is 1492992, while the sum is 50.

The spelling of 13494849431 in words is "thirteen billion, four hundred ninety-four million, eight hundred forty-nine thousand, four hundred thirty-one".