628442039899 has 2 divisors, whose sum is σ = 628442039900. Its totient is φ = 628442039898.

The previous prime is 628442039833. The next prime is 628442039917. The reversal of 628442039899 is 998930244826.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 628442039899 - 2²³ = 628433651291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 628442039899.

It is not a weakly prime, because it can be changed into another prime (628442039299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314221019949 + 314221019950.

It is an arithmetic number, because the mean of its divisors is an integer number (314221019950).

Almost surely, 2^628442039899 is an apocalyptic number.

628442039899 is a deficient number, since it is larger than the sum of its proper divisors (1).

628442039899 is an equidigital number, since it uses as much as digits as its factorization.

628442039899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53747712, while the sum is 64.

The spelling of 628442039899 in words is "six hundred twenty-eight billion, four hundred forty-two million, thirty-nine thousand, eight hundred ninety-nine".