10449039845 has 8 divisors (see below), whose sum is σ = 12552010776. Its totient is φ = 8350456576.

The previous prime is 10449039803. The next prime is 10449039869. The reversal of 10449039845 is 54893094401.

It can be written as a sum of positive squares in 4 ways, for example, as 618119044 + 9830920801 = 24862^2 + 99151^2 .

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 10449039845 - 2⁶ = 10449039781 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10449039845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1091672 + ... + 1101201.

It is an arithmetic number, because the mean of its divisors is an integer number (1569001347).

Almost surely, 2^10449039845 is an apocalyptic number.

It is an amenable number.

10449039845 is a deficient number, since it is larger than the sum of its proper divisors (2102970931).

10449039845 is an equidigital number, since it uses as much as digits as its factorization.

10449039845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193831.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 10449039845 in words is "ten billion, four hundred forty-nine million, thirty-nine thousand, eight hundred forty-five".