4002646057 has 2 divisors, whose sum is σ = 4002646058. Its totient is φ = 4002646056.

The previous prime is 4002646031. The next prime is 4002646097. The reversal of 4002646057 is 7506462004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2330572176 + 1672073881 = 48276^2 + 40891^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4002646057 is a prime.

It is not a weakly prime, because it can be changed into another prime (4002646097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2001323028 + 2001323029.

It is an arithmetic number, because the mean of its divisors is an integer number (2001323029).

Almost surely, 2^4002646057 is an apocalyptic number.

It is an amenable number.

4002646057 is a deficient number, since it is larger than the sum of its proper divisors (1).

4002646057 is an equidigital number, since it uses as much as digits as its factorization.

4002646057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 4002646057 is about 63266.4686623175. The cubic root of 4002646057 is about 1587.7510042855.

The spelling of 4002646057 in words is "four billion, two million, six hundred forty-six thousand, fifty-seven".