849675919 has 2 divisors, whose sum is σ = 849675920. Its totient is φ = 849675918.

The previous prime is 849675907. The next prime is 849675949. The reversal of 849675919 is 919576948.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 849675919 - 2⁵ = 849675887 is a prime.

It is a super-2 number, since 2×849675919² = 1443898334656989122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (849675949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424837959 + 424837960.

It is an arithmetic number, because the mean of its divisors is an integer number (424837960).

Almost surely, 2^849675919 is an apocalyptic number.

849675919 is a deficient number, since it is larger than the sum of its proper divisors (1).

849675919 is an equidigital number, since it uses as much as digits as its factorization.

849675919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 58.

The square root of 849675919 is about 29149.2010010566. The cubic root of 849675919 is about 947.1478330049.

The spelling of 849675919 in words is "eight hundred forty-nine million, six hundred seventy-five thousand, nine hundred nineteen".