4049291971 has 2 divisors, whose sum is σ = 4049291972. Its totient is φ = 4049291970.

The previous prime is 4049291963. The next prime is 4049291977. The reversal of 4049291971 is 1791929404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4049291971 - 2³ = 4049291963 is a prime.

It is not a weakly prime, because it can be changed into another prime (4049291977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2024645985 + 2024645986.

It is an arithmetic number, because the mean of its divisors is an integer number (2024645986).

Almost surely, 2^4049291971 is an apocalyptic number.

4049291971 is a deficient number, since it is larger than the sum of its proper divisors (1).

4049291971 is an equidigital number, since it uses as much as digits as its factorization.

4049291971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 4049291971 is about 63634.0472624522. The cubic root of 4049291971 is about 1593.8949603254.

The spelling of 4049291971 in words is "four billion, forty-nine million, two hundred ninety-one thousand, nine hundred seventy-one".