1848649613 has 2 divisors, whose sum is σ = 1848649614. Its totient is φ = 1848649612.

The previous prime is 1848649601. The next prime is 1848649639. The reversal of 1848649613 is 3169468481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1743730564 + 104919049 = 41758^2 + 10243^2 .

It is a cyclic number.

It is not a de Polignac number, because 1848649613 - 2⁴ = 1848649597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1848649643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 924324806 + 924324807.

It is an arithmetic number, because the mean of its divisors is an integer number (924324807).

Almost surely, 2^1848649613 is an apocalyptic number.

It is an amenable number.

1848649613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1848649613 is an equidigital number, since it uses as much as digits as its factorization.

1848649613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 50.

The square root of 1848649613 is about 42995.9255395206. The cubic root of 1848649613 is about 1227.3022622319.

The spelling of 1848649613 in words is "one billion, eight hundred forty-eight million, six hundred forty-nine thousand, six hundred thirteen".