9880489061 has 2 divisors, whose sum is σ = 9880489062. Its totient is φ = 9880489060.

The previous prime is 9880489001. The next prime is 9880489081. The reversal of 9880489061 is 1609840889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7394968036 + 2485521025 = 85994^2 + 49855^2 .

It is a cyclic number.

It is not a de Polignac number, because 9880489061 - 2²⁶ = 9813380197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9880488994 and 9880489012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9880489001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4940244530 + 4940244531.

It is an arithmetic number, because the mean of its divisors is an integer number (4940244531).

Almost surely, 2^9880489061 is an apocalyptic number.

It is an amenable number.

9880489061 is a deficient number, since it is larger than the sum of its proper divisors (1).

9880489061 is an equidigital number, since it uses as much as digits as its factorization.

9880489061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 53.

The square root of 9880489061 is about 99400.6491980812. The cubic root of 9880489061 is about 2145.8176535509.

The spelling of 9880489061 in words is "nine billion, eight hundred eighty million, four hundred eighty-nine thousand, sixty-one".