1628462543 has 2 divisors, whose sum is σ = 1628462544. Its totient is φ = 1628462542.

The previous prime is 1628462513. The next prime is 1628462551. The reversal of 1628462543 is 3452648261.

It is a strong prime.

It is an emirp because it is prime and its reverse (3452648261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1628462543 - 2¹⁶ = 1628397007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1628462543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1628462513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 814231271 + 814231272.

It is an arithmetic number, because the mean of its divisors is an integer number (814231272).

Almost surely, 2^1628462543 is an apocalyptic number.

1628462543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1628462543 is an equidigital number, since it uses as much as digits as its factorization.

1628462543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 41.

The square root of 1628462543 is about 40354.2134479164. The cubic root of 1628462543 is about 1176.5017871020.

The spelling of 1628462543 in words is "one billion, six hundred twenty-eight million, four hundred sixty-two thousand, five hundred forty-three".