4033978811 has 2 divisors, whose sum is σ = 4033978812. Its totient is φ = 4033978810.

The previous prime is 4033978799. The next prime is 4033978831. The reversal of 4033978811 is 1188793304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4033978811 - 2³⁰ = 2960236987 is a prime.

It is not a weakly prime, because it can be changed into another prime (4033978831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2016989405 + 2016989406.

It is an arithmetic number, because the mean of its divisors is an integer number (2016989406).

Almost surely, 2^4033978811 is an apocalyptic number.

4033978811 is a deficient number, since it is larger than the sum of its proper divisors (1).

4033978811 is an equidigital number, since it uses as much as digits as its factorization.

4033978811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 4033978811 is about 63513.6112262561. The cubic root of 4033978811 is about 1591.8832176305.

The spelling of 4033978811 in words is "four billion, thirty-three million, nine hundred seventy-eight thousand, eight hundred eleven".