4405033981 has 2 divisors, whose sum is σ = 4405033982. Its totient is φ = 4405033980.

The previous prime is 4405033961. The next prime is 4405034027. The reversal of 4405033981 is 1893305044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3118664025 + 1286369956 = 55845^2 + 35866^2 .

It is a cyclic number.

It is not a de Polignac number, because 4405033981 - 2⁹ = 4405033469 is a prime.

It is a super-2 number, since 2×4405033981² = 38808648747529416722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4405033981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4405033961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2202516990 + 2202516991.

It is an arithmetic number, because the mean of its divisors is an integer number (2202516991).

Almost surely, 2^4405033981 is an apocalyptic number.

It is an amenable number.

4405033981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4405033981 is an equidigital number, since it uses as much as digits as its factorization.

4405033981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 4405033981 is about 66370.4300197008. The cubic root of 4405033981 is about 1639.2672193528.

The spelling of 4405033981 in words is "four billion, four hundred five million, thirty-three thousand, nine hundred eighty-one".