4001149843 has 2 divisors, whose sum is σ = 4001149844. Its totient is φ = 4001149842.

The previous prime is 4001149837. The next prime is 4001149891. The reversal of 4001149843 is 3489411004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4001149843 - 2¹⁷ = 4001018771 is a prime.

It is a super-2 number, since 2×4001149843² = 32018400132277849298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4001149799 and 4001149808.

It is not a weakly prime, because it can be changed into another prime (4001149043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000574921 + 2000574922.

It is an arithmetic number, because the mean of its divisors is an integer number (2000574922).

Almost surely, 2^4001149843 is an apocalyptic number.

4001149843 is a deficient number, since it is larger than the sum of its proper divisors (1).

4001149843 is an equidigital number, since it uses as much as digits as its factorization.

4001149843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 4001149843 is about 63254.6428572638. The cubic root of 4001149843 is about 1587.5531425614.

The spelling of 4001149843 in words is "four billion, one million, one hundred forty-nine thousand, eight hundred forty-three".