849599745 has 32 divisors (see below), whose sum is σ = 1395394560. Its totient is φ = 441154560.

The previous prime is 849599743. The next prime is 849599753. The reversal of 849599745 is 547995948.

It is not a de Polignac number, because 849599745 - 2¹ = 849599743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (849599741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378336 + ... + 380574.

It is an arithmetic number, because the mean of its divisors is an integer number (43606080).

Almost surely, 2^849599745 is an apocalyptic number.

It is an amenable number.

849599745 is a deficient number, since it is larger than the sum of its proper divisors (545794815).

849599745 is a wasteful number, since it uses less digits than its factorization.

849599745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905.

The product of its digits is 16329600, while the sum is 60.

The square root of 849599745 is about 29147.8943493351. The cubic root of 849599745 is about 947.1195280188.

The spelling of 849599745 in words is "eight hundred forty-nine million, five hundred ninety-nine thousand, seven hundred forty-five".