849531701 has 4 divisors (see below), whose sum is σ = 899504172. Its totient is φ = 799559232.

The previous prime is 849531679. The next prime is 849531707. The reversal of 849531701 is 107135948.

849531701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 444113476 + 405418225 = 21074^2 + 20135^2 .

It is a de Polignac number, because none of the positive numbers 2^k-849531701 is a prime.

It is a super-2 number, since 2×849531701² = 1443408222007906802, 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 (849531707) 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, 24986210 + ... + 24986243.

It is an arithmetic number, because the mean of its divisors is an integer number (224876043).

Almost surely, 2^849531701 is an apocalyptic number.

It is an amenable number.

849531701 is a deficient number, since it is larger than the sum of its proper divisors (49972471).

849531701 is a wasteful number, since it uses less digits than its factorization.

849531701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49972470.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 849531701 is about 29146.7271061435. The cubic root of 849531701 is about 947.0942425743.

The spelling of 849531701 in words is "eight hundred forty-nine million, five hundred thirty-one thousand, seven hundred one".