4145039971 has 2 divisors, whose sum is σ = 4145039972. Its totient is φ = 4145039970.

The previous prime is 4145039957. The next prime is 4145040061. The reversal of 4145039971 is 1799305414.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4145039971 - 2⁵ = 4145039939 is a prime.

It is a super-2 number, since 2×4145039971² = 34362712722375361682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4145030971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2072519985 + 2072519986.

It is an arithmetic number, because the mean of its divisors is an integer number (2072519986).

Almost surely, 2^4145039971 is an apocalyptic number.

4145039971 is a deficient number, since it is larger than the sum of its proper divisors (1).

4145039971 is an equidigital number, since it uses as much as digits as its factorization.

4145039971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 4145039971 is about 64381.9848327154. The cubic root of 4145039971 is about 1606.3600976157.

The spelling of 4145039971 in words is "four billion, one hundred forty-five million, thirty-nine thousand, nine hundred seventy-one".