1849476749 has 8 divisors (see below), whose sum is σ = 1897838208. Its totient is φ = 1801270240.

The previous prime is 1849476731. The next prime is 1849476757. The reversal of 1849476749 is 9476749481.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1849476749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1849476149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14357 + ... + 62490.

It is an arithmetic number, because the mean of its divisors is an integer number (237229776).

Almost surely, 2^1849476749 is an apocalyptic number.

It is an amenable number.

1849476749 is a deficient number, since it is larger than the sum of its proper divisors (48361459).

1849476749 is an equidigital number, since it uses as much as digits as its factorization.

1849476749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77475.

The product of its digits is 12192768, while the sum is 59.

The square root of 1849476749 is about 43005.5432357272. The cubic root of 1849476749 is about 1227.4852777176.

The spelling of 1849476749 in words is "one billion, eight hundred forty-nine million, four hundred seventy-six thousand, seven hundred forty-nine".