9890180401 has 16 divisors (see below), whose sum is σ = 10229296000. Its totient is φ = 9555055488.

The previous prime is 9890180393. The next prime is 9890180441. The reversal of 9890180401 is 1040810989.

It is a cyclic number.

It is not a de Polignac number, because 9890180401 - 2³ = 9890180393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9890180441) 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 in 15 ways as a sum of consecutive naturals, for example, 4733365 + ... + 4735453.

It is an arithmetic number, because the mean of its divisors is an integer number (639331000).

Almost surely, 2^9890180401 is an apocalyptic number.

It is an amenable number.

9890180401 is a deficient number, since it is larger than the sum of its proper divisors (339115599).

9890180401 is a wasteful number, since it uses less digits than its factorization.

9890180401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 9890180401 is about 99449.3861268133. The cubic root of 9890180401 is about 2146.5190038851.

The spelling of 9890180401 in words is "nine billion, eight hundred ninety million, one hundred eighty thousand, four hundred one".