1846249049 has 2 divisors, whose sum is σ = 1846249050. Its totient is φ = 1846249048.

The previous prime is 1846249021. The next prime is 1846249081. The reversal of 1846249049 is 9409426481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1846249024 + 25 = 42968^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 1846249049 - 2⁸ = 1846248793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1846248994 and 1846249012.

It is not a weakly prime, because it can be changed into another prime (1846240049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 923124524 + 923124525.

It is an arithmetic number, because the mean of its divisors is an integer number (923124525).

Almost surely, 2^1846249049 is an apocalyptic number.

It is an amenable number.

1846249049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1846249049 is an equidigital number, since it uses as much as digits as its factorization.

1846249049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 1846249049 is about 42968.0002909142. Note that the first 3 decimals coincide. The cubic root of 1846249049 is about 1226.7707943254.

The spelling of 1846249049 in words is "one billion, eight hundred forty-six million, two hundred forty-nine thousand, forty-nine".