9886941949 has 4 divisors (see below), whose sum is σ = 10097302464. Its totient is φ = 9676581436.

The previous prime is 9886941917. The next prime is 9886941979. The reversal of 9886941949 is 9491496889.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9886941949 - 2⁵ = 9886941917 is a prime.

It is a super-2 number, since 2×9886941949² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9886941979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105180187 + ... + 105180280.

It is an arithmetic number, because the mean of its divisors is an integer number (2524325616).

Almost surely, 2^9886941949 is an apocalyptic number.

It is an amenable number.

9886941949 is a deficient number, since it is larger than the sum of its proper divisors (210360515).

9886941949 is a wasteful number, since it uses less digits than its factorization.

9886941949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210360514.

The product of its digits is 40310784, while the sum is 67.

The square root of 9886941949 is about 99433.1028832954. The cubic root of 9886941949 is about 2146.2846920949.

The spelling of 9886941949 in words is "nine billion, eight hundred eighty-six million, nine hundred forty-one thousand, nine hundred forty-nine".