849908367313 has 4 divisors (see below), whose sum is σ = 859457899620. Its totient is φ = 840358835008.

The previous prime is 849908367283. The next prime is 849908367337. The reversal of 849908367313 is 313763809948.

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 337342579344 + 512565787969 = 580812^2 + 715937^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-849908367313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (849908367013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4774766020 + ... + 4774766197.

It is an arithmetic number, because the mean of its divisors is an integer number (214864474905).

Almost surely, 2^849908367313 is an apocalyptic number.

It is an amenable number.

849908367313 is a deficient number, since it is larger than the sum of its proper divisors (9549532307).

849908367313 is an equidigital number, since it uses as much as digits as its factorization.

849908367313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9549532306.

The product of its (nonzero) digits is 23514624, while the sum is 61.

The spelling of 849908367313 in words is "eight hundred forty-nine billion, nine hundred eight million, three hundred sixty-seven thousand, three hundred thirteen".