4043020987 has 2 divisors, whose sum is σ = 4043020988. Its totient is φ = 4043020986.

The previous prime is 4043020973. The next prime is 4043020991. The reversal of 4043020987 is 7890203404.

It is a happy number.

4043020987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4043020987 - 2²⁷ = 3908803259 is a prime.

It is not a weakly prime, because it can be changed into another prime (4043021987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021510493 + 2021510494.

It is an arithmetic number, because the mean of its divisors is an integer number (2021510494).

Almost surely, 2^4043020987 is an apocalyptic number.

4043020987 is a deficient number, since it is larger than the sum of its proper divisors (1).

4043020987 is an equidigital number, since it uses as much as digits as its factorization.

4043020987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 4043020987 is about 63584.7543598306. The cubic root of 4043020987 is about 1593.0717337725.

The spelling of 4043020987 in words is "four billion, forty-three million, twenty thousand, nine hundred eighty-seven".