1845438635099 has 2 divisors, whose sum is σ = 1845438635100. Its totient is φ = 1845438635098.

The previous prime is 1845438635057. The next prime is 1845438635129. The reversal of 1845438635099 is 9905368345481.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1845438635099 - 2¹⁶ = 1845438569563 is a prime.

It is not a weakly prime, because it can be changed into another prime (1845438035099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 922719317549 + 922719317550.

It is an arithmetic number, because the mean of its divisors is an integer number (922719317550).

Almost surely, 2^{1845438635099} is an apocalyptic number.

1845438635099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1845438635099 is an equidigital number, since it uses as much as digits as its factorization.

1845438635099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 111974400, while the sum is 65.

The spelling of 1845438635099 in words is "one trillion, eight hundred forty-five billion, four hundred thirty-eight million, six hundred thirty-five thousand, ninety-nine".