10491091708 has 6 divisors (see below), whose sum is σ = 18359410496. Its totient is φ = 5245545852.

The previous prime is 10491091693. The next prime is 10491091717. The reversal of 10491091708 is 80719019401.

It is a super-2 number, since 2×10491091708² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1311386460 + ... + 1311386467.

Almost surely, 2^10491091708 is an apocalyptic number.

It is an amenable number.

10491091708 is a deficient number, since it is larger than the sum of its proper divisors (7868318788).

10491091708 is a wasteful number, since it uses less digits than its factorization.

10491091708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2622772931 (or 2622772929 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 40.

The spelling of 10491091708 in words is "ten billion, four hundred ninety-one million, ninety-one thousand, seven hundred eight".