4041021043 has 2 divisors, whose sum is σ = 4041021044. Its totient is φ = 4041021042.

The previous prime is 4041021031. The next prime is 4041021157. The reversal of 4041021043 is 3401201404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4041021043 - 2¹³ = 4041012851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4041021043.

It is not a weakly prime, because it can be changed into another prime (4041021013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2020510521 + 2020510522.

It is an arithmetic number, because the mean of its divisors is an integer number (2020510522).

Almost surely, 2^4041021043 is an apocalyptic number.

4041021043 is a deficient number, since it is larger than the sum of its proper divisors (1).

4041021043 is an equidigital number, since it uses as much as digits as its factorization.

4041021043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4041021043 is about 63569.0258144641. The cubic root of 4041021043 is about 1592.8090111076.

Adding to 4041021043 its reverse (3401201404), we get a palindrome (7442222447).

The spelling of 4041021043 in words is "four billion, forty-one million, twenty-one thousand, forty-three".