628148211137 has 2 divisors, whose sum is σ = 628148211138. Its totient is φ = 628148211136.

The previous prime is 628148211121. The next prime is 628148211149. The reversal of 628148211137 is 731112841826.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 419225170576 + 208923040561 = 647476^2 + 457081^2 .

It is a cyclic number.

It is not a de Polignac number, because 628148211137 - 2⁴ = 628148211121 is a prime.

It is a super-2 number, since 2×628148211137² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (628148211637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314074105568 + 314074105569.

It is an arithmetic number, because the mean of its divisors is an integer number (314074105569).

Almost surely, 2^628148211137 is an apocalyptic number.

It is an amenable number.

628148211137 is a deficient number, since it is larger than the sum of its proper divisors (1).

628148211137 is an equidigital number, since it uses as much as digits as its factorization.

628148211137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 44.

The spelling of 628148211137 in words is "six hundred twenty-eight billion, one hundred forty-eight million, two hundred eleven thousand, one hundred thirty-seven".