109845339857 has 8 divisors (see below), whose sum is σ = 119873198592. Its totient is φ = 99824467600.

The previous prime is 109845339847. The next prime is 109845339869. The reversal of 109845339857 is 758933548901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109845339857 - 2¹⁶ = 109845274321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109845339857.

It is not an unprimeable number, because it can be changed into a prime (109845339847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1713713 + ... + 1776654.

It is an arithmetic number, because the mean of its divisors is an integer number (14984149824).

Almost surely, 2^109845339857 is an apocalyptic number.

It is an amenable number.

109845339857 is a deficient number, since it is larger than the sum of its proper divisors (10027858735).

109845339857 is a wasteful number, since it uses less digits than its factorization.

109845339857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3493239.

The product of its (nonzero) digits is 32659200, while the sum is 62.

The spelling of 109845339857 in words is "one hundred nine billion, eight hundred forty-five million, three hundred thirty-nine thousand, eight hundred fifty-seven".