4091941943 has 2 divisors, whose sum is σ = 4091941944. Its totient is φ = 4091941942.

The previous prime is 4091941879. The next prime is 4091941949. The reversal of 4091941943 is 3491491904.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4091941943 - 2⁶ = 4091941879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4091941894 and 4091941903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4091941949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2045970971 + 2045970972.

It is an arithmetic number, because the mean of its divisors is an integer number (2045970972).

Almost surely, 2^4091941943 is an apocalyptic number.

4091941943 is a deficient number, since it is larger than the sum of its proper divisors (1).

4091941943 is an equidigital number, since it uses as much as digits as its factorization.

4091941943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 4091941943 is about 63968.2885733236. The cubic root of 4091941943 is about 1599.4714325660.

The spelling of 4091941943 in words is "four billion, ninety-one million, nine hundred forty-one thousand, nine hundred forty-three".