1749618114845 has 4 divisors (see below), whose sum is σ = 2099541737820. Its totient is φ = 1399694491872.

The previous prime is 1749618114833. The next prime is 1749618114877. The reversal of 1749618114845 is 5484118169471.

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 392490973081 + 1357127141764 = 626491^2 + 1164958^2 .

It is a cyclic number.

It is not a de Polignac number, because 1749618114845 - 2²⁶ = 1749551005981 is a prime.

It is a super-2 number, since 2×1749618114845² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174961811480 + ... + 174961811489.

It is an arithmetic number, because the mean of its divisors is an integer number (524885434455).

Almost surely, 2^{1749618114845} is an apocalyptic number.

It is an amenable number.

1749618114845 is a deficient number, since it is larger than the sum of its proper divisors (349923622975).

1749618114845 is an equidigital number, since it uses as much as digits as its factorization.

1749618114845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349923622974.

The product of its digits is 7741440, while the sum is 59.

The spelling of 1749618114845 in words is "one trillion, seven hundred forty-nine billion, six hundred eighteen million, one hundred fourteen thousand, eight hundred forty-five".