1845438635085 has 64 divisors (see below), whose sum is σ = 3243922974720. Its totient is φ = 891704436480.

The previous prime is 1845438635057. The next prime is 1845438635099. The reversal of 1845438635085 is 5805368345481.

It is not a de Polignac number, because 1845438635085 - 2⁸ = 1845438634829 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34236055 + ... + 34289915.

It is an arithmetic number, because the mean of its divisors is an integer number (50686296480).

Almost surely, 2^{1845438635085} is an apocalyptic number.

1845438635085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1845438635085 is a deficient number, since it is larger than the sum of its proper divisors (1398484339635).

1845438635085 is a wasteful number, since it uses less digits than its factorization.

1845438635085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59138.

The product of its (nonzero) digits is 55296000, while the sum is 60.

The spelling of 1845438635085 in words is "one trillion, eight hundred forty-five billion, four hundred thirty-eight million, six hundred thirty-five thousand, eighty-five".