849635426305 has 4 divisors (see below), whose sum is σ = 1019562511572. Its totient is φ = 679708341040.

The previous prime is 849635426293. The next prime is 849635426327. The reversal of 849635426305 is 503624536948.

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 315788926401 + 533846499904 = 561951^2 + 730648^2 .

It is not a de Polignac number, because 849635426305 - 2³⁷ = 712196472833 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, 84963542626 + ... + 84963542635.

It is an arithmetic number, because the mean of its divisors is an integer number (254890627893).

Almost surely, 2^849635426305 is an apocalyptic number.

It is an amenable number.

849635426305 is a deficient number, since it is larger than the sum of its proper divisors (169927085267).

849635426305 is a wasteful number, since it uses less digits than its factorization.

849635426305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169927085266.

The product of its (nonzero) digits is 18662400, while the sum is 55.

The spelling of 849635426305 in words is "eight hundred forty-nine billion, six hundred thirty-five million, four hundred twenty-six thousand, three hundred five".