9999990103 has 8 divisors (see below), whose sum is σ = 10157393376. Its totient is φ = 9843732000.

The previous prime is 9999990097. The next prime is 9999990107. The reversal of 9999990103 is 3010999999.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 9999990103 - 2¹³ = 9999981911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9999990107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268683 + ... + 303628.

It is an arithmetic number, because the mean of its divisors is an integer number (1269674172).

Almost surely, 2^9999990103 is an apocalyptic number.

9999990103 is a deficient number, since it is larger than the sum of its proper divisors (157403273).

9999990103 is a wasteful number, since it uses less digits than its factorization.

9999990103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572585.

The product of its (nonzero) digits is 1594323, while the sum is 58.

The square root of 9999990103 is about 99999.9505149878. The cubic root of 9999990103 is about 2154.4339792836.

The spelling of 9999990103 in words is "nine billion, nine hundred ninety-nine million, nine hundred ninety thousand, one hundred three".