628400492047 has 2 divisors, whose sum is σ = 628400492048. Its totient is φ = 628400492046.

The previous prime is 628400491981. The next prime is 628400492077. The reversal of 628400492047 is 740294004826.

628400492047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 628400492047 - 2¹⁵ = 628400459279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 628400491988 and 628400492006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (628400492077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314200246023 + 314200246024.

It is an arithmetic number, because the mean of its divisors is an integer number (314200246024).

Almost surely, 2^628400492047 is an apocalyptic number.

628400492047 is a deficient number, since it is larger than the sum of its proper divisors (1).

628400492047 is an equidigital number, since it uses as much as digits as its factorization.

628400492047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 628400492047 in words is "six hundred twenty-eight billion, four hundred million, four hundred ninety-two thousand, forty-seven".