2803996961 has 2 divisors, whose sum is σ = 2803996962. Its totient is φ = 2803996960.

The previous prime is 2803996957. The next prime is 2803996981. The reversal of 2803996961 is 1696993082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2244390625 + 559606336 = 47375^2 + 23656^2 .

It is a cyclic number.

It is not a de Polignac number, because 2803996961 - 2² = 2803996957 is a prime.

It is not a weakly prime, because it can be changed into another prime (2803996981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401998480 + 1401998481.

It is an arithmetic number, because the mean of its divisors is an integer number (1401998481).

Almost surely, 2^2803996961 is an apocalyptic number.

It is an amenable number.

2803996961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2803996961 is an equidigital number, since it uses as much as digits as its factorization.

2803996961 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2803996961 is about 52952.7804841257. The cubic root of 2803996961 is about 1410.1300889313.

It can be divided in two parts, 28039 and 96961, that added together give a cube (125000 = 50³).

The spelling of 2803996961 in words is "two billion, eight hundred three million, nine hundred ninety-six thousand, nine hundred sixty-one".