10543267447 has 12 divisors (see below), whose sum is σ = 11158514640. Its totient is φ = 9960413472.

The previous prime is 10543267439. The next prime is 10543267457. The reversal of 10543267447 is 74476234501.

It is not a de Polignac number, because 10543267447 - 2³ = 10543267439 is a prime.

It is a super-2 number, since 2×10543267447² (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 (10543267457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88923 + ... + 170275.

It is an arithmetic number, because the mean of its divisors is an integer number (929876220).

Almost surely, 2^10543267447 is an apocalyptic number.

10543267447 is a deficient number, since it is larger than the sum of its proper divisors (615247193).

10543267447 is an equidigital number, since it uses as much as digits as its factorization.

10543267447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81750 (or 81731 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 10543267447 in words is "ten billion, five hundred forty-three million, two hundred sixty-seven thousand, four hundred forty-seven".