4101441991 has 2 divisors, whose sum is σ = 4101441992. Its totient is φ = 4101441990.

The previous prime is 4101441989. The next prime is 4101442027. The reversal of 4101441991 is 1991441014.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4101441991 - 2¹ = 4101441989 is a prime.

Together with 4101441989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4101441901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2050720995 + 2050720996.

It is an arithmetic number, because the mean of its divisors is an integer number (2050720996).

Almost surely, 2^4101441991 is an apocalyptic number.

4101441991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4101441991 is an equidigital number, since it uses as much as digits as its factorization.

4101441991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 4101441991 is about 64042.5014424015. The cubic root of 4101441991 is about 1600.7082789949.

It can be divided in two parts, 410 and 1441991, that added together give a square (1442401 = 1201²).

The spelling of 4101441991 in words is "four billion, one hundred one million, four hundred forty-one thousand, nine hundred ninety-one".