9914399491 has 8 divisors (see below), whose sum is σ = 10189206000. Its totient is φ = 9639953568.

The previous prime is 9914399441. The next prime is 9914399617. The reversal of 9914399491 is 1949934199.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9914399491 - 2⁹ = 9914398979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9914399401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33916 + ... + 144841.

It is an arithmetic number, because the mean of its divisors is an integer number (1273650750).

Almost surely, 2^9914399491 is an apocalyptic number.

9914399491 is a deficient number, since it is larger than the sum of its proper divisors (274806509).

9914399491 is a wasteful number, since it uses less digits than its factorization.

9914399491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180293.

The product of its digits is 2834352, while the sum is 58.

The square root of 9914399491 is about 99571.0775828001. The cubic root of 9914399491 is about 2148.2697087055.

The spelling of 9914399491 in words is "nine billion, nine hundred fourteen million, three hundred ninety-nine thousand, four hundred ninety-one".