9909246813 has 16 divisors (see below), whose sum is σ = 13895870976. Its totient is φ = 6272435520.

The previous prime is 9909246803. The next prime is 9909246863. The reversal of 9909246813 is 3186429099.

It is not a de Polignac number, because 9909246813 - 2⁶ = 9909246749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9909246803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1000270 + ... + 1010127.

It is an arithmetic number, because the mean of its divisors is an integer number (868491936).

Almost surely, 2^9909246813 is an apocalyptic number.

9909246813 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

It is an amenable number.

9909246813 is a deficient number, since it is larger than the sum of its proper divisors (3986624163).

9909246813 is a wasteful number, since it uses less digits than its factorization.

9909246813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010484.

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 9909246813 is about 99545.1998491138. The cubic root of 9909246813 is about 2147.8974804036.

The spelling of 9909246813 in words is "nine billion, nine hundred nine million, two hundred forty-six thousand, eight hundred thirteen".