18632428701643 has 2 divisors, whose sum is σ = 18632428701644. Its totient is φ = 18632428701642.

The previous prime is 18632428701637. The next prime is 18632428701701. The reversal of 18632428701643 is 34610782423681.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18632428701643 - 2⁵ = 18632428701611 is a prime.

It is not a weakly prime, because it can be changed into another prime (18632428701143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9316214350821 + 9316214350822.

It is an arithmetic number, because the mean of its divisors is an integer number (9316214350822).

Almost surely, 2^{18632428701643} is an apocalyptic number.

18632428701643 is a deficient number, since it is larger than the sum of its proper divisors (1).

18632428701643 is an equidigital number, since it uses as much as digits as its factorization.

18632428701643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9289728, while the sum is 55.

The spelling of 18632428701643 in words is "eighteen trillion, six hundred thirty-two billion, four hundred twenty-eight million, seven hundred one thousand, six hundred forty-three".