4451099971 has 2 divisors, whose sum is σ = 4451099972. Its totient is φ = 4451099970.

The previous prime is 4451099969. The next prime is 4451100023. The reversal of 4451099971 is 1799901544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4451099971 - 2¹ = 4451099969 is a prime.

Together with 4451099969, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4451099941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2225549985 + 2225549986.

It is an arithmetic number, because the mean of its divisors is an integer number (2225549986).

Almost surely, 2^4451099971 is an apocalyptic number.

4451099971 is a deficient number, since it is larger than the sum of its proper divisors (1).

4451099971 is an equidigital number, since it uses as much as digits as its factorization.

4451099971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 4451099971 is about 66716.5644424231. The cubic root of 4451099971 is about 1644.9616705623.

The spelling of 4451099971 in words is "four billion, four hundred fifty-one million, ninety-nine thousand, nine hundred seventy-one".