2801361849 has 16 divisors (see below), whose sum is σ = 4388147904. Its totient is φ = 1567195200.

The previous prime is 2801361817. The next prime is 2801361851. The reversal of 2801361849 is 9481631082.

It is not a de Polignac number, because 2801361849 - 2⁵ = 2801361817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2801361849.

It is not an unprimeable number, because it can be changed into a prime (2801363849) 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 15 ways as a sum of consecutive naturals, for example, 3264562 + ... + 3265419.

It is an arithmetic number, because the mean of its divisors is an integer number (274259244).

Almost surely, 2^2801361849 is an apocalyptic number.

It is an amenable number.

2801361849 is a deficient number, since it is larger than the sum of its proper divisors (1586786055).

2801361849 is a wasteful number, since it uses less digits than its factorization.

2801361849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6530008.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 2801361849 is about 52927.8929204630. The cubic root of 2801361849 is about 1409.6882178697.

The spelling of 2801361849 in words is "two billion, eight hundred one million, three hundred sixty-one thousand, eight hundred forty-nine".