4001109971 has 2 divisors, whose sum is σ = 4001109972. Its totient is φ = 4001109970.

The previous prime is 4001109929. The next prime is 4001110013. The reversal of 4001109971 is 1799011004.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (4001109929) and next prime (4001110013).

It is a cyclic number.

It is not a de Polignac number, because 4001109971 - 2¹⁸ = 4000847827 is a prime.

It is not a weakly prime, because it can be changed into another prime (4001109901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000554985 + 2000554986.

It is an arithmetic number, because the mean of its divisors is an integer number (2000554986).

Almost surely, 2^4001109971 is an apocalyptic number.

4001109971 is a deficient number, since it is larger than the sum of its proper divisors (1).

4001109971 is an equidigital number, since it uses as much as digits as its factorization.

4001109971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 4001109971 is about 63254.3276859378. The cubic root of 4001109971 is about 1587.5478691499.

The spelling of 4001109971 in words is "four billion, one million, one hundred nine thousand, nine hundred seventy-one".