849451605 has 8 divisors (see below), whose sum is σ = 1359122592. Its totient is φ = 453040848.

The previous prime is 849451591. The next prime is 849451613. The reversal of 849451605 is 506154948.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 849451605 - 2⁸ = 849451349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28315039 + ... + 28315068.

It is an arithmetic number, because the mean of its divisors is an integer number (169890324).

Almost surely, 2^849451605 is an apocalyptic number.

It is an amenable number.

849451605 is a deficient number, since it is larger than the sum of its proper divisors (509670987).

849451605 is a wasteful number, since it uses less digits than its factorization.

849451605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56630115.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 849451605 is about 29145.3530601364. The cubic root of 849451605 is about 947.0644768243.

The spelling of 849451605 in words is "eight hundred forty-nine million, four hundred fifty-one thousand, six hundred five".