10317985349 has 4 divisors (see below), whose sum is σ = 11791983264. Its totient is φ = 8843987436.

The previous prime is 10317985309. The next prime is 10317985369. The reversal of 10317985349 is 94358971301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94358971301 = 7 ⋅13479853043.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10317985349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10317985297 and 10317985306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10317985309) 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, 736998947 + ... + 736998960.

It is an arithmetic number, because the mean of its divisors is an integer number (2947995816).

Almost surely, 2^10317985349 is an apocalyptic number.

It is an amenable number.

10317985349 is a deficient number, since it is larger than the sum of its proper divisors (1473997915).

10317985349 is an equidigital number, since it uses as much as digits as its factorization.

10317985349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473997914.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 10317985349 in words is "ten billion, three hundred seventeen million, nine hundred eighty-five thousand, three hundred forty-nine".