1849741490 has 8 divisors (see below), whose sum is σ = 3329534700. Its totient is φ = 739896592.

The previous prime is 1849741483. The next prime is 1849741493. The reversal of 1849741490 is 941479481.

It can be written as a sum of positive squares in 2 ways, for example, as 1633857241 + 215884249 = 40421^2 + 14693^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1849741493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92487065 + ... + 92487084.

Almost surely, 2^1849741490 is an apocalyptic number.

1849741490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1849741490 is a deficient number, since it is larger than the sum of its proper divisors (1479793210).

1849741490 is a wasteful number, since it uses less digits than its factorization.

1849741490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184974156.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 1849741490 is about 43008.6211125165. The cubic root of 1849741490 is about 1227.5438438635.

The spelling of 1849741490 in words is "one billion, eight hundred forty-nine million, seven hundred forty-one thousand, four hundred ninety".