10685987338 has 32 divisors (see below), whose sum is σ = 17869138560. Its totient is φ = 4758747840.

The previous prime is 10685987321. The next prime is 10685987363. The reversal of 10685987338 is 83378958601.

It is a super-2 number, since 2×10685987338² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1403923 + ... + 1411513.

It is an arithmetic number, because the mean of its divisors is an integer number (558410580).

Almost surely, 2^10685987338 is an apocalyptic number.

10685987338 is a deficient number, since it is larger than the sum of its proper divisors (7183151222).

10685987338 is a wasteful number, since it uses less digits than its factorization.

10685987338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9502.

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 10685987338 in words is "ten billion, six hundred eighty-five million, nine hundred eighty-seven thousand, three hundred thirty-eight".