9990099464 has 16 divisors (see below), whose sum is σ = 18785422800. Its totient is φ = 4980653392.

The previous prime is 9990099451. The next prime is 9990099467. The reversal of 9990099464 is 4649900999.

It is a super-2 number, since 2×9990099464² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9990099467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1796594 + ... + 1802145.

It is an arithmetic number, because the mean of its divisors is an integer number (1174088925).

Almost surely, 2^9990099464 is an apocalyptic number.

It is an amenable number.

9990099464 is a deficient number, since it is larger than the sum of its proper divisors (8795323336).

9990099464 is a wasteful number, since it uses less digits than its factorization.

9990099464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599092 (or 3599088 counting only the distinct ones).

The product of its (nonzero) digits is 5668704, while the sum is 59.

The square root of 9990099464 is about 99950.4850613543. The cubic root of 9990099464 is about 2153.7234533191.

The spelling of 9990099464 in words is "nine billion, nine hundred ninety million, ninety-nine thousand, four hundred sixty-four".