1049649802105 has 8 divisors (see below), whose sum is σ = 1280228611464. Its totient is φ = 825953942400.

The previous prime is 1049649802087. The next prime is 1049649802171. The reversal of 1049649802105 is 5012089469401.

It can be written as a sum of positive squares in 4 ways, for example, as 3863368336 + 1045786433769 = 62156^2 + 1022637^2 .

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

It is not a de Polignac number, because 1049649802105 - 2³³ = 1041059867513 is a prime.

It is a super-2 number, since 2×1049649802105² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 1720737076 + ... + 1720737685.

It is an arithmetic number, because the mean of its divisors is an integer number (160028576433).

Almost surely, 2^{1049649802105} is an apocalyptic number.

It is an amenable number.

1049649802105 is a deficient number, since it is larger than the sum of its proper divisors (230578809359).

1049649802105 is an equidigital number, since it uses as much as digits as its factorization.

1049649802105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3441474827.

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 1049649802105 in words is "one trillion, forty-nine billion, six hundred forty-nine million, eight hundred two thousand, one hundred five".