1846046489 has 4 divisors (see below), whose sum is σ = 2109767424. Its totient is φ = 1582325556.

The previous prime is 1846046467. The next prime is 1846046549. The reversal of 1846046489 is 9846406481.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9846406481 = 311 ⋅31660471.

It is a de Polignac number, because none of the positive numbers 2^k-1846046489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1846046089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131860457 + ... + 131860470.

It is an arithmetic number, because the mean of its divisors is an integer number (527441856).

Almost surely, 2^1846046489 is an apocalyptic number.

It is an amenable number.

1846046489 is a deficient number, since it is larger than the sum of its proper divisors (263720935).

1846046489 is an equidigital number, since it uses as much as digits as its factorization.

1846046489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263720934.

The product of its (nonzero) digits is 1327104, while the sum is 50.

The square root of 1846046489 is about 42965.6431233142. The cubic root of 1846046489 is about 1226.7259279010.

The spelling of 1846046489 in words is "one billion, eight hundred forty-six million, forty-six thousand, four hundred eighty-nine".