4005005051 has 2 divisors, whose sum is σ = 4005005052. Its totient is φ = 4005005050.

The previous prime is 4005005021. The next prime is 4005005057. The reversal of 4005005051 is 1505005004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4005005051 - 2¹⁰ = 4005004027 is a prime.

It is not a weakly prime, because it can be changed into another prime (4005005057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2002502525 + 2002502526.

It is an arithmetic number, because the mean of its divisors is an integer number (2002502526).

Almost surely, 2^4005005051 is an apocalyptic number.

4005005051 is a deficient number, since it is larger than the sum of its proper divisors (1).

4005005051 is an equidigital number, since it uses as much as digits as its factorization.

4005005051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 4005005051 is about 63285.1092359016. The cubic root of 4005005051 is about 1588.0628612810.

The spelling of 4005005051 in words is "four billion, five million, five thousand, fifty-one".