1011966533 has 2 divisors, whose sum is σ = 1011966534. Its totient is φ = 1011966532.

The previous prime is 1011966509. The next prime is 1011966569. The reversal of 1011966533 is 3356691101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 924038404 + 87928129 = 30398^2 + 9377^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011966533 - 2¹⁰ = 1011965509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011966493 and 1011966502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011966583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505983266 + 505983267.

It is an arithmetic number, because the mean of its divisors is an integer number (505983267).

Almost surely, 2^1011966533 is an apocalyptic number.

It is an amenable number.

1011966533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011966533 is an equidigital number, since it uses as much as digits as its factorization.

1011966533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 1011966533 is about 31811.4214237591. The cubic root of 1011966533 is about 1003.9730383944.

The spelling of 1011966533 in words is "one billion, eleven million, nine hundred sixty-six thousand, five hundred thirty-three".