851313387259 has 8 divisors (see below), whose sum is σ = 889825048992. Its totient is φ = 812926561920.

The previous prime is 851313387217. The next prime is 851313387263. The reversal of 851313387259 is 952783313158.

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

It is a cyclic number.

It is not a de Polignac number, because 851313387259 - 2¹¹ = 851313385211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (851313387289) 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, 31195152 + ... + 31222429.

It is an arithmetic number, because the mean of its divisors is an integer number (111228131124).

Almost surely, 2^851313387259 is an apocalyptic number.

851313387259 is a deficient number, since it is larger than the sum of its proper divisors (38511661733).

851313387259 is a wasteful number, since it uses less digits than its factorization.

851313387259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62418197.

The product of its digits is 5443200, while the sum is 55.

The spelling of 851313387259 in words is "eight hundred fifty-one billion, three hundred thirteen million, three hundred eighty-seven thousand, two hundred fifty-nine".