849104669 has 4 divisors (see below), whose sum is σ = 970405344. Its totient is φ = 727803996.

The previous prime is 849104657. The next prime is 849104681. The reversal of 849104669 is 966401948.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (849104657) and next prime (849104681).

It is a cyclic number.

It is not a de Polignac number, because 849104669 - 2⁸ = 849104413 is a prime.

It is a super-2 number, since 2×849104669² = 1441957477835199122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849104569) 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, 60650327 + ... + 60650340.

It is an arithmetic number, because the mean of its divisors is an integer number (242601336).

Almost surely, 2^849104669 is an apocalyptic number.

It is an amenable number.

849104669 is a deficient number, since it is larger than the sum of its proper divisors (121300675).

849104669 is a wasteful number, since it uses less digits than its factorization.

849104669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121300674.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 849104669 is about 29139.4006287020. The cubic root of 849104669 is about 946.9355248033.

The spelling of 849104669 in words is "eight hundred forty-nine million, one hundred four thousand, six hundred sixty-nine".