1849049672 has 36 divisors (see below), whose sum is σ = 3629750985. Its totient is φ = 882990240.

The previous prime is 1849049651. The next prime is 1849049677. The reversal of 1849049672 is 2769409481.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 1672319236 + 176730436 = 40894^2 + 13294^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=30406.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1849049672.

It is not an unprimeable number, because it can be changed into a prime (1849049677) 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 8 ways as a sum of consecutive naturals, for example, 2797022 + ... + 2797682.

Almost surely, 2^1849049672 is an apocalyptic number.

It is an amenable number.

1849049672 is a deficient number, since it is larger than the sum of its proper divisors (1780701313).

1849049672 is an frugal number, since it uses more digits than its factorization.

1849049672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 1849049672 is about 43000.5775775163. The cubic root of 1849049672 is about 1227.3907877334.

Multiplying 1849049672 by its sum of digits (50), we get a square (92452483600 = 304060²).

The spelling of 1849049672 in words is "one billion, eight hundred forty-nine million, forty-nine thousand, six hundred seventy-two".