9909154814 has 32 divisors (see below), whose sum is σ = 16731187200. Its totient is φ = 4367243232.

The previous prime is 9909154757. The next prime is 9909154817. The reversal of 9909154814 is 4184519099.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9909154817) 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, 349337 + ... + 376635.

It is an arithmetic number, because the mean of its divisors is an integer number (522849600).

Almost surely, 2^9909154814 is an apocalyptic number.

9909154814 is a deficient number, since it is larger than the sum of its proper divisors (6822032386).

9909154814 is a wasteful number, since it uses less digits than its factorization.

9909154814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27944.

The product of its (nonzero) digits is 466560, while the sum is 50.

The square root of 9909154814 is about 99544.7377514251. The cubic root of 9909154814 is about 2147.8908332442.

The spelling of 9909154814 in words is "nine billion, nine hundred nine million, one hundred fifty-four thousand, eight hundred fourteen".