4005047513 has 2 divisors, whose sum is σ = 4005047514. Its totient is φ = 4005047512.

The previous prime is 4005047507. The next prime is 4005047521. The reversal of 4005047513 is 3157405004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2009459929 + 1995587584 = 44827^2 + 44672^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4005047513 is a prime.

It is not a weakly prime, because it can be changed into another prime (4005040513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2002523756 + 2002523757.

It is an arithmetic number, because the mean of its divisors is an integer number (2002523757).

Almost surely, 2^4005047513 is an apocalyptic number.

It is an amenable number.

4005047513 is a deficient number, since it is larger than the sum of its proper divisors (1).

4005047513 is an equidigital number, since it uses as much as digits as its factorization.

4005047513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 4005047513 is about 63285.4447167751. Note that the first 3 decimals coincide. The cubic root of 4005047513 is about 1588.0684735991.

The spelling of 4005047513 in words is "four billion, five million, forty-seven thousand, five hundred thirteen".