1848709615997 has 2 divisors, whose sum is σ = 1848709615998. Its totient is φ = 1848709615996.

The previous prime is 1848709615877. The next prime is 1848709616023. The reversal of 1848709615997 is 7995169078481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1767905299876 + 80804316121 = 1329626^2 + 284261^2 .

It is a cyclic number.

It is not a de Polignac number, because 1848709615997 - 2²⁰ = 1848708567421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1848709615397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 924354807998 + 924354807999.

It is an arithmetic number, because the mean of its divisors is an integer number (924354807999).

Almost surely, 2^{1848709615997} is an apocalyptic number.

It is an amenable number.

1848709615997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1848709615997 is an equidigital number, since it uses as much as digits as its factorization.

1848709615997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 274337280, while the sum is 74.

The spelling of 1848709615997 in words is "one trillion, eight hundred forty-eight billion, seven hundred nine million, six hundred fifteen thousand, nine hundred ninety-seven".