10449194399 has 8 divisors (see below), whose sum is σ = 11955406848. Its totient is φ = 8946349560.

The previous prime is 10449194389. The next prime is 10449194401. The reversal of 10449194399 is 99349194401.

It is a happy number.

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 10449194399 - 2²⁰ = 10448145823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10449194399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10449194389) 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 7 ways as a sum of consecutive naturals, for example, 835247 + ... + 847664.

It is an arithmetic number, because the mean of its divisors is an integer number (1494425856).

Almost surely, 2^10449194399 is an apocalyptic number.

10449194399 is a deficient number, since it is larger than the sum of its proper divisors (1506212449).

10449194399 is an equidigital number, since it uses as much as digits as its factorization.

10449194399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683805.

The product of its (nonzero) digits is 1259712, while the sum is 53.

The spelling of 10449194399 in words is "ten billion, four hundred forty-nine million, one hundred ninety-four thousand, three hundred ninety-nine".