849834954137 has 8 divisors (see below), whose sum is σ = 918130861704. Its totient is φ = 781956759168.

The previous prime is 849834954079. The next prime is 849834954173. The reversal of 849834954137 is 731459438948.

It can be written as a sum of positive squares in 4 ways, for example, as 189067562761 + 660767391376 = 434819^2 + 812876^2 .

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

It is not a de Polignac number, because 849834954137 - 2⁸ = 849834953881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (849834954337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104423918 + ... + 104432055.

It is an arithmetic number, because the mean of its divisors is an integer number (114766357713).

Almost surely, 2^849834954137 is an apocalyptic number.

It is an amenable number.

849834954137 is a deficient number, since it is larger than the sum of its proper divisors (68295907567).

849834954137 is a wasteful number, since it uses less digits than its factorization.

849834954137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208856299.

The product of its digits is 104509440, while the sum is 65.

The spelling of 849834954137 in words is "eight hundred forty-nine billion, eight hundred thirty-four million, nine hundred fifty-four thousand, one hundred thirty-seven".