4149455971 has 2 divisors, whose sum is σ = 4149455972. Its totient is φ = 4149455970.

The previous prime is 4149455969. The next prime is 4149456061. The reversal of 4149455971 is 1795549414.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4149455971 - 2¹ = 4149455969 is a prime.

Together with 4149455969, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4149455671) 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, 2074727985 + 2074727986.

It is an arithmetic number, because the mean of its divisors is an integer number (2074727986).

Almost surely, 2^4149455971 is an apocalyptic number.

4149455971 is a deficient number, since it is larger than the sum of its proper divisors (1).

4149455971 is an equidigital number, since it uses as much as digits as its factorization.

4149455971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 49.

The square root of 4149455971 is about 64416.2710112903. The cubic root of 4149455971 is about 1606.9303509464.

The spelling of 4149455971 in words is "four billion, one hundred forty-nine million, four hundred fifty-five thousand, nine hundred seventy-one".