9880142018 has 4 divisors (see below), whose sum is σ = 14820213030. Its totient is φ = 4940071008.

The previous prime is 9880142017. The next prime is 9880142047. The reversal of 9880142018 is 8102410889.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9744256369 + 135885649 = 98713^2 + 11657^2 .

It is a super-2 number, since 2×9880142018² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9880142017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2470035503 + ... + 2470035506.

Almost surely, 2^9880142018 is an apocalyptic number.

9880142018 is a deficient number, since it is larger than the sum of its proper divisors (4940071012).

9880142018 is a wasteful number, since it uses less digits than its factorization.

9880142018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4940071011.

The product of its (nonzero) digits is 36864, while the sum is 41.

The square root of 9880142018 is about 99398.9035050186. The cubic root of 9880142018 is about 2145.7925299728.

The spelling of 9880142018 in words is "nine billion, eight hundred eighty million, one hundred forty-two thousand, eighteen".