105243367249 has 4 divisors (see below), whose sum is σ = 105247184436. Its totient is φ = 105239550064.

The previous prime is 105243367223. The next prime is 105243367259. The reversal of 105243367249 is 942763342501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 59107334400 + 46136032849 = 243120^2 + 214793^2 .

It is a cyclic number.

It is not a de Polignac number, because 105243367249 - 2⁵ = 105243367217 is a prime.

It is a super-2 number, since 2×105243367249² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105243367199 and 105243367208.

It is not an unprimeable number, because it can be changed into a prime (105243367259) 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, 1866934 + ... + 1922479.

It is an arithmetic number, because the mean of its divisors is an integer number (26311796109).

Almost surely, 2^105243367249 is an apocalyptic number.

It is an amenable number.

105243367249 is a deficient number, since it is larger than the sum of its proper divisors (3817187).

105243367249 is an equidigital number, since it uses as much as digits as its factorization.

105243367249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3817186.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 105243367249 in words is "one hundred five billion, two hundred forty-three million, three hundred sixty-seven thousand, two hundred forty-nine".