1628282407 has 2 divisors, whose sum is σ = 1628282408. Its totient is φ = 1628282406.

The previous prime is 1628282393. The next prime is 1628282417. The reversal of 1628282407 is 7042828261.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1628282407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1628282407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1628282417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 814141203 + 814141204.

It is an arithmetic number, because the mean of its divisors is an integer number (814141204).

Almost surely, 2^1628282407 is an apocalyptic number.

1628282407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1628282407 is an equidigital number, since it uses as much as digits as its factorization.

1628282407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 1628282407 is about 40351.9814507293. The cubic root of 1628282407 is about 1176.4584050499.

It can be divided in two parts, 16282 and 82407, that added together give a palindrome (98689).

The spelling of 1628282407 in words is "one billion, six hundred twenty-eight million, two hundred eighty-two thousand, four hundred seven".