4001042099 has 2 divisors, whose sum is σ = 4001042100. Its totient is φ = 4001042098.

The previous prime is 4001042093. The next prime is 4001042117. The reversal of 4001042099 is 9902401004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4001042099 - 2⁴ = 4001042083 is a prime.

It is a super-4 number, since 4×4001042099⁴ (a number of 40 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (4001042093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000521049 + 2000521050.

It is an arithmetic number, because the mean of its divisors is an integer number (2000521050).

Almost surely, 2^4001042099 is an apocalyptic number.

4001042099 is a deficient number, since it is larger than the sum of its proper divisors (1).

4001042099 is an equidigital number, since it uses as much as digits as its factorization.

4001042099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 4001042099 is about 63253.7911828216. The cubic root of 4001042099 is about 1587.5388924193.

The spelling of 4001042099 in words is "four billion, one million, forty-two thousand, ninety-nine".