1063796021 has 2 divisors, whose sum is σ = 1063796022. Its totient is φ = 1063796020.

The previous prime is 1063796011. The next prime is 1063796081. The reversal of 1063796021 is 1206973601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 828633796 + 235162225 = 28786^2 + 15335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1063796021 is a prime.

It is a super-2 number, since 2×1063796021² = 2263323948590864882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1063796011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531898010 + 531898011.

It is an arithmetic number, because the mean of its divisors is an integer number (531898011).

Almost surely, 2^1063796021 is an apocalyptic number.

It is an amenable number.

1063796021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1063796021 is an equidigital number, since it uses as much as digits as its factorization.

1063796021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 1063796021 is about 32615.8860219985. The cubic root of 1063796021 is about 1020.8285018584.

The spelling of 1063796021 in words is "one billion, sixty-three million, seven hundred ninety-six thousand, twenty-one".