849915351 has 6 divisors (see below), whose sum is σ = 1227655520. Its totient is φ = 566610228.

The previous prime is 849915331. The next prime is 849915359. The reversal of 849915351 is 153519948.

849915351 is a `hidden beast` number, since 8 + 499 + 153 + 5 + 1 = 666.

It is not a de Polignac number, because 849915351 - 2⁷ = 849915223 is a prime.

It is a super-2 number, since 2×849915351² = 1444712207730906402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 849915297 and 849915306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849915359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47217511 + ... + 47217528.

Almost surely, 2^849915351 is an apocalyptic number.

849915351 is a deficient number, since it is larger than the sum of its proper divisors (377740169).

849915351 is a wasteful number, since it uses less digits than its factorization.

849915351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94435045 (or 94435042 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The square root of 849915351 is about 29153.3077197082. The cubic root of 849915351 is about 947.2367909228.

The spelling of 849915351 in words is "eight hundred forty-nine million, nine hundred fifteen thousand, three hundred fifty-one".