10685313908 has 6 divisors (see below), whose sum is σ = 18699299346. Its totient is φ = 5342656952.

The previous prime is 10685313901. The next prime is 10685313911. The reversal of 10685313908 is 80931358601.

It can be written as a sum of positive squares in only one way, i.e., 8213434384 + 2471879524 = 90628^2 + 49718^2 .

It is a super-2 number, since 2×10685313908² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10685313901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1335664235 + ... + 1335664242.

It is an arithmetic number, because the mean of its divisors is an integer number (3116549891).

Almost surely, 2^10685313908 is an apocalyptic number.

It is an amenable number.

10685313908 is a deficient number, since it is larger than the sum of its proper divisors (8013985438).

10685313908 is a wasteful number, since it uses less digits than its factorization.

10685313908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2671328481 (or 2671328479 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 10685313908 in words is "ten billion, six hundred eighty-five million, three hundred thirteen thousand, nine hundred eight".