1841731349 has 4 divisors (see below), whose sum is σ = 1843753920. Its totient is φ = 1839708780.

The previous prime is 1841731343. The next prime is 1841731369. The reversal of 1841731349 is 9431371481.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1841731349 - 2²⁰ = 1840682773 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 (1841731343) 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 3 ways as a sum of consecutive naturals, for example, 1009919 + ... + 1011740.

It is an arithmetic number, because the mean of its divisors is an integer number (460938480).

Almost surely, 2^1841731349 is an apocalyptic number.

It is an amenable number.

1841731349 is a deficient number, since it is larger than the sum of its proper divisors (2022571).

1841731349 is an equidigital number, since it uses as much as digits as its factorization.

1841731349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022570.

The product of its digits is 72576, while the sum is 41.

The square root of 1841731349 is about 42915.3975747633. The cubic root of 1841731349 is about 1225.7693568292.

The spelling of 1841731349 in words is "one billion, eight hundred forty-one million, seven hundred thirty-one thousand, three hundred forty-nine".