849468819 has 8 divisors (see below), whose sum is σ = 1132951552. Its totient is φ = 566149320.

The previous prime is 849468811. The next prime is 849468833. The reversal of 849468819 is 918864948.

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

It is not a de Polignac number, because 849468819 - 2³ = 849468811 is a prime.

It is a super-2 number, since 2×849468819² = 1443194548906509522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (849468811) 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, 28099 + ... + 49884.

It is an arithmetic number, because the mean of its divisors is an integer number (141618944).

Almost surely, 2^849468819 is an apocalyptic number.

849468819 is a deficient number, since it is larger than the sum of its proper divisors (283482733).

849468819 is a wasteful number, since it uses less digits than its factorization.

849468819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81617.

The product of its digits is 3981312, while the sum is 57.

The square root of 849468819 is about 29145.6483715837. The cubic root of 849468819 is about 947.0708741508.

The spelling of 849468819 in words is "eight hundred forty-nine million, four hundred sixty-eight thousand, eight hundred nineteen".