1006644049 has 2 divisors, whose sum is σ = 1006644050. Its totient is φ = 1006644048.

The previous prime is 1006643993. The next prime is 1006644091. The reversal of 1006644049 is 9404466001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 998117649 + 8526400 = 31593^2 + 2920^2 .

It is a cyclic number.

It is not a de Polignac number, because 1006644049 - 2⁹ = 1006643537 is a prime.

It is a super-2 number, since 2×1006644049² = 2026664482774228802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1006144049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503322024 + 503322025.

It is an arithmetic number, because the mean of its divisors is an integer number (503322025).

Almost surely, 2^1006644049 is an apocalyptic number.

It is an amenable number.

1006644049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006644049 is an equidigital number, since it uses as much as digits as its factorization.

1006644049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1006644049 is about 31727.6543255249. The cubic root of 1006644049 is about 1002.2097962038.

The spelling of 1006644049 in words is "one billion, six million, six hundred forty-four thousand, forty-nine".