1749747849 has 16 divisors (see below), whose sum is σ = 2414759424. Its totient is φ = 1125820800.

The previous prime is 1749747823. The next prime is 1749747859. The reversal of 1749747849 is 9487479471.

It is not a de Polignac number, because 1749747849 - 2¹² = 1749743753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1749747792 and 1749747801.

It is not an unprimeable number, because it can be changed into a prime (1749747859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9469 + ... + 59909.

It is an arithmetic number, because the mean of its divisors is an integer number (150922464).

Almost surely, 2^1749747849 is an apocalyptic number.

It is an amenable number.

1749747849 is a deficient number, since it is larger than the sum of its proper divisors (665011575).

1749747849 is a wasteful number, since it uses less digits than its factorization.

1749747849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50848.

The product of its digits is 14224896, while the sum is 60.

The square root of 1749747849 is about 41829.9874372441. The cubic root of 1749747849 is about 1205.0132512331.

The spelling of 1749747849 in words is "one billion, seven hundred forty-nine million, seven hundred forty-seven thousand, eight hundred forty-nine".