849415465 has 4 divisors (see below), whose sum is σ = 1019298564. Its totient is φ = 679532368.

The previous prime is 849415459. The next prime is 849415513. The reversal of 849415465 is 564514948.

It is a happy number.

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 626450841 + 222964624 = 25029^2 + 14932^2 .

It is a cyclic number.

It is not a de Polignac number, because 849415465 - 2⁷ = 849415337 is a prime.

It is a Duffinian 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, 84941542 + ... + 84941551.

It is an arithmetic number, because the mean of its divisors is an integer number (254824641).

Almost surely, 2^849415465 is an apocalyptic number.

It is an amenable number.

849415465 is a deficient number, since it is larger than the sum of its proper divisors (169883099).

849415465 is a wasteful number, since it uses less digits than its factorization.

849415465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169883098.

The product of its digits is 691200, while the sum is 46.

The square root of 849415465 is about 29144.7330576212. The cubic root of 849415465 is about 947.0510456508.

The spelling of 849415465 in words is "eight hundred forty-nine million, four hundred fifteen thousand, four hundred sixty-five".