628418643067 has 2 divisors, whose sum is σ = 628418643068. Its totient is φ = 628418643066.

The previous prime is 628418643059. The next prime is 628418643071. The reversal of 628418643067 is 760346814826.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 628418643067 - 2³ = 628418643059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 628418642999 and 628418643017.

It is not a weakly prime, because it can be changed into another prime (628418643007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314209321533 + 314209321534.

It is an arithmetic number, because the mean of its divisors is an integer number (314209321534).

Almost surely, 2^628418643067 is an apocalyptic number.

628418643067 is a deficient number, since it is larger than the sum of its proper divisors (1).

628418643067 is an equidigital number, since it uses as much as digits as its factorization.

628418643067 is an evil number, because the sum of its binary digits is even.

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

The spelling of 628418643067 in words is "six hundred twenty-eight billion, four hundred eighteen million, six hundred forty-three thousand, sixty-seven".