10643174374849 has 4 divisors (see below), whose sum is σ = 10655651719636. Its totient is φ = 10630697030064.

The previous prime is 10643174374831. The next prime is 10643174374867. The reversal of 10643174374849 is 94847347134601.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (10643174374831) and next prime (10643174374867).

It can be written as a sum of positive squares in 2 ways, for example, as 979357640625 + 9663816734224 = 989625^2 + 3108668^2 .

It is a cyclic number.

It is not a de Polignac number, because 10643174374849 - 2²¹ = 10643172277697 is a prime.

It is a super-2 number, since 2×10643174374849² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10643174374949) 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, 6238671114 + ... + 6238672819.

It is an arithmetic number, because the mean of its divisors is an integer number (2663912929909).

Almost surely, 2^{10643174374849} is an apocalyptic number.

It is an amenable number.

10643174374849 is a deficient number, since it is larger than the sum of its proper divisors (12477344787).

10643174374849 is an equidigital number, since it uses as much as digits as its factorization.

10643174374849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12477344786.

The product of its (nonzero) digits is 48771072, while the sum is 61.

The spelling of 10643174374849 in words is "ten trillion, six hundred forty-three billion, one hundred seventy-four million, three hundred seventy-four thousand, eight hundred forty-nine".