9881424416 has 12 divisors (see below), whose sum is σ = 19454054382. Its totient is φ = 4940712192.

The previous prime is 9881424407. The next prime is 9881424419. The reversal of 9881424416 is 6144241889.

It can be written as a sum of positive squares in only one way, i.e., 9868435600 + 12988816 = 99340^2 + 3604^2 .

It is not an unprimeable number, because it can be changed into a prime (9881424419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154397225 + ... + 154397288.

Almost surely, 2^9881424416 is an apocalyptic number.

It is an amenable number.

9881424416 is a deficient number, since it is larger than the sum of its proper divisors (9572629966).

9881424416 is a wasteful number, since it uses less digits than its factorization.

9881424416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308794523 (or 308794515 counting only the distinct ones).

The product of its digits is 442368, while the sum is 47.

The square root of 9881424416 is about 99405.3540610364. The cubic root of 9881424416 is about 2145.8853640298.

The spelling of 9881424416 in words is "nine billion, eight hundred eighty-one million, four hundred twenty-four thousand, four hundred sixteen".