9849442859 has 4 divisors (see below), whose sum is σ = 9851338920. Its totient is φ = 9847546800.

The previous prime is 9849442819. The next prime is 9849442879. The reversal of 9849442859 is 9582449489.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9849442859 - 2¹² = 9849438763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9849442819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940217 + ... + 950634.

It is an arithmetic number, because the mean of its divisors is an integer number (2462834730).

Almost surely, 2^9849442859 is an apocalyptic number.

9849442859 is a deficient number, since it is larger than the sum of its proper divisors (1896061).

9849442859 is a wasteful number, since it uses less digits than its factorization.

9849442859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896060.

The product of its digits is 29859840, while the sum is 62.

The square root of 9849442859 is about 99244.3593308960. The cubic root of 9849442859 is about 2143.5677856000.

The spelling of 9849442859 in words is "nine billion, eight hundred forty-nine million, four hundred forty-two thousand, eight hundred fifty-nine".