4646623543 has 2 divisors, whose sum is σ = 4646623544. Its totient is φ = 4646623542.

The previous prime is 4646623537. The next prime is 4646623561. The reversal of 4646623543 is 3453266464.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4646623543 is a prime.

It is a super-2 number, since 2×4646623543² = 43182220700723745698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4646623543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4646623523) 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, 2323311771 + 2323311772.

It is an arithmetic number, because the mean of its divisors is an integer number (2323311772).

Almost surely, 2^4646623543 is an apocalyptic number.

4646623543 is a deficient number, since it is larger than the sum of its proper divisors (1).

4646623543 is an equidigital number, since it uses as much as digits as its factorization.

4646623543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 43.

The square root of 4646623543 is about 68166.1466051881. The cubic root of 4646623543 is about 1668.7034461747.

The spelling of 4646623543 in words is "four billion, six hundred forty-six million, six hundred twenty-three thousand, five hundred forty-three".