8001399941 has 2 divisors, whose sum is σ = 8001399942. Its totient is φ = 8001399940.

The previous prime is 8001399907. The next prime is 8001399949. The reversal of 8001399941 is 1499931008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7947009316 + 54390625 = 89146^2 + 7375^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8001399941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8001399892 and 8001399901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8001399949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4000699970 + 4000699971.

It is an arithmetic number, because the mean of its divisors is an integer number (4000699971).

Almost surely, 2^8001399941 is an apocalyptic number.

It is an amenable number.

8001399941 is a deficient number, since it is larger than the sum of its proper divisors (1).

8001399941 is an equidigital number, since it uses as much as digits as its factorization.

8001399941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 8001399941 is about 89450.5446657537. The cubic root of 8001399941 is about 2000.1166549457.

The spelling of 8001399941 in words is "eight billion, one million, three hundred ninety-nine thousand, nine hundred forty-one".