1063355999 has 2 divisors, whose sum is σ = 1063356000. Its totient is φ = 1063355998.

The previous prime is 1063355989. The next prime is 1063356023. The reversal of 1063355999 is 9995533601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1063355999 - 2¹⁶ = 1063290463 is a prime.

It is a super-2 number, since 2×1063355999² = 2261451961218576002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1063355939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531677999 + 531678000.

It is an arithmetic number, because the mean of its divisors is an integer number (531678000).

Almost surely, 2^1063355999 is an apocalyptic number.

1063355999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1063355999 is an equidigital number, since it uses as much as digits as its factorization.

1063355999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 984150, while the sum is 50.

The square root of 1063355999 is about 32609.1398077288. The cubic root of 1063355999 is about 1020.6877327205.

The spelling of 1063355999 in words is "one billion, sixty-three million, three hundred fifty-five thousand, nine hundred ninety-nine".