1848913987 has 2 divisors, whose sum is σ = 1848913988. Its totient is φ = 1848913986.

The previous prime is 1848913981. The next prime is 1848914021. The reversal of 1848913987 is 7893198481.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1848913987 - 2¹⁵ = 1848881219 is a prime.

It is not a weakly prime, because it can be changed into another prime (1848913981) 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 as a sum of consecutive naturals, namely, 924456993 + 924456994.

It is an arithmetic number, because the mean of its divisors is an integer number (924456994).

Almost surely, 2^1848913987 is an apocalyptic number.

1848913987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1848913987 is an equidigital number, since it uses as much as digits as its factorization.

1848913987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 58.

The square root of 1848913987 is about 42998.9998372055. Note that the first 3 decimals coincide. The cubic root of 1848913987 is about 1227.3607646364.

The spelling of 1848913987 in words is "one billion, eight hundred forty-eight million, nine hundred thirteen thousand, nine hundred eighty-seven".