10691481828 has 24 divisors (see below), whose sum is σ = 26031434688. Its totient is φ = 3408878176.

The previous prime is 10691481791. The next prime is 10691481833. The reversal of 10691481828 is 82818419601.

It is a super-2 number, since 2×10691481828² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19368351 + ... + 19368902.

It is an arithmetic number, because the mean of its divisors is an integer number (1084643112).

Almost surely, 2^10691481828 is an apocalyptic number.

It is an amenable number.

10691481828 is an abundant number, since it is smaller than the sum of its proper divisors (15339952860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10691481828 is a wasteful number, since it uses less digits than its factorization.

10691481828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38737283 (or 38737281 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 48.

The spelling of 10691481828 in words is "ten billion, six hundred ninety-one million, four hundred eighty-one thousand, eight hundred twenty-eight".