14453967731 has 4 divisors (see below), whose sum is σ = 16518820272. Its totient is φ = 12389115192.

The previous prime is 14453967721. The next prime is 14453967739. The reversal of 14453967731 is 13776935441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13776935441 = 1009 ⋅13654049.

It is a cyclic number.

It is not a de Polignac number, because 14453967731 - 2⁶ = 14453967667 is a prime.

It is a super-2 number, since 2×14453967731² (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 14453967731.

It is not an unprimeable number, because it can be changed into a prime (14453967739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1032426260 + ... + 1032426273.

It is an arithmetic number, because the mean of its divisors is an integer number (4129705068).

Almost surely, 2^14453967731 is an apocalyptic number.

14453967731 is a deficient number, since it is larger than the sum of its proper divisors (2064852541).

14453967731 is an equidigital number, since it uses as much as digits as its factorization.

14453967731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064852540.

The product of its digits is 1905120, while the sum is 50.

The spelling of 14453967731 in words is "fourteen billion, four hundred fifty-three million, nine hundred sixty-seven thousand, seven hundred thirty-one".