849504965 has 4 divisors (see below), whose sum is σ = 1019405964. Its totient is φ = 679603968.

The previous prime is 849504937. The next prime is 849504973. The reversal of 849504965 is 569405948.

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 426050881 + 423454084 = 20641^2 + 20578^2 .

It is a cyclic number.

It is not a de Polignac number, because 849504965 - 2¹⁴ = 849488581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84950492 + ... + 84950501.

It is an arithmetic number, because the mean of its divisors is an integer number (254851491).

Almost surely, 2^849504965 is an apocalyptic number.

It is an amenable number.

849504965 is a deficient number, since it is larger than the sum of its proper divisors (169900999).

849504965 is a wasteful number, since it uses less digits than its factorization.

849504965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169900998.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The square root of 849504965 is about 29146.2684575573. The cubic root of 849504965 is about 947.0843069916.

The spelling of 849504965 in words is "eight hundred forty-nine million, five hundred four thousand, nine hundred sixty-five".