628148211601 has 2 divisors, whose sum is σ = 628148211602. Its totient is φ = 628148211600.

The previous prime is 628148211529. The next prime is 628148211631. The reversal of 628148211601 is 106112841826.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 345256132225 + 282892079376 = 587585^2 + 531876^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-628148211601 is a prime.

It is not a weakly prime, because it can be changed into another prime (628148211631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314074105800 + 314074105801.

It is an arithmetic number, because the mean of its divisors is an integer number (314074105801).

Almost surely, 2^628148211601 is an apocalyptic number.

It is an amenable number.

628148211601 is a deficient number, since it is larger than the sum of its proper divisors (1).

628148211601 is an equidigital number, since it uses as much as digits as its factorization.

628148211601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 40.

The spelling of 628148211601 in words is "six hundred twenty-eight billion, one hundred forty-eight million, two hundred eleven thousand, six hundred one".