1128928663 has 2 divisors, whose sum is σ = 1128928664. Its totient is φ = 1128928662.

The previous prime is 1128928649. The next prime is 1128928667. The reversal of 1128928663 is 3668298211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1128928663 is a prime.

It is a super-2 number, since 2×1128928663² = 2548959852285935138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1128928667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564464331 + 564464332.

It is an arithmetic number, because the mean of its divisors is an integer number (564464332).

Almost surely, 2^1128928663 is an apocalyptic number.

1128928663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128928663 is an equidigital number, since it uses as much as digits as its factorization.

1128928663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 46.

The square root of 1128928663 is about 33599.5336723592. The cubic root of 1128928663 is about 1041.2511640033.

The spelling of 1128928663 in words is "one billion, one hundred twenty-eight million, nine hundred twenty-eight thousand, six hundred sixty-three".