4640466043999 has 2 divisors, whose sum is σ = 4640466044000. Its totient is φ = 4640466043998.

The previous prime is 4640466043987. The next prime is 4640466044041. The reversal of 4640466043999 is 9993406640464.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4640466043999 - 2²¹ = 4640463946847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4640466043999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4640466043699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320233021999 + 2320233022000.

It is an arithmetic number, because the mean of its divisors is an integer number (2320233022000).

Almost surely, 2^{4640466043999} is an apocalyptic number.

4640466043999 is a deficient number, since it is larger than the sum of its proper divisors (1).

4640466043999 is an equidigital number, since it uses as much as digits as its factorization.

4640466043999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120932352, while the sum is 64.

The spelling of 4640466043999 in words is "four trillion, six hundred forty billion, four hundred sixty-six million, forty-three thousand, nine hundred ninety-nine".