9921441299 has 64 divisors (see below), whose sum is σ = 13904732160. Its totient is φ = 6841739520.

The previous prime is 9921441287. The next prime is 9921441301.

9921441299 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-9921441299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9921441599) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1443479 + ... + 1450335.

It is an arithmetic number, because the mean of its divisors is an integer number (217261440).

Almost surely, 2^9921441299 is an apocalyptic number.

9921441299 is a deficient number, since it is larger than the sum of its proper divisors (3983290861).

9921441299 is a wasteful number, since it uses less digits than its factorization.

9921441299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6960.

The product of its digits is 419904, while the sum is 50.

The square root of 9921441299 is about 99606.4320162107. The cubic root of 9921441299 is about 2148.7781988301.

The spelling of 9921441299 in words is "nine billion, nine hundred twenty-one million, four hundred forty-one thousand, two hundred ninety-nine".