10008917690 has 8 divisors (see below), whose sum is σ = 18016051860. Its totient is φ = 4003567072.

The previous prime is 10008917683. The next prime is 10008917753. The reversal of 10008917690 is 9671980001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9095246161 + 913671529 = 95369^2 + 30227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10008917690² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 500445875 + ... + 500445894.

Almost surely, 2^10008917690 is an apocalyptic number.

10008917690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10008917690 is a deficient number, since it is larger than the sum of its proper divisors (8007134170).

10008917690 is a wasteful number, since it uses less digits than its factorization.

10008917690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000891776.

The product of its (nonzero) digits is 27216, while the sum is 41.

The spelling of 10008917690 in words is "ten billion, eight million, nine hundred seventeen thousand, six hundred ninety".