4000001039 has 2 divisors, whose sum is σ = 4000001040. Its totient is φ = 4000001038.

The previous prime is 4000001003. The next prime is 4000001051. The reversal of 4000001039 is 9301000004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4000001039 - 2²⁴ = 3983223823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4000001099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000000519 + 2000000520.

It is an arithmetic number, because the mean of its divisors is an integer number (2000000520).

Almost surely, 2^4000001039 is an apocalyptic number.

4000001039 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000001039 is an equidigital number, since it uses as much as digits as its factorization.

4000001039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 4000001039 is about 63245.5614173833. The cubic root of 4000001039 is about 1587.4011894107.

The spelling of 4000001039 in words is "four billion, one thousand, thirty-nine".