662946049 has 2 divisors, whose sum is σ = 662946050. Its totient is φ = 662946048.

The previous prime is 662946029. The next prime is 662946071. The reversal of 662946049 is 940649266.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 398721024 + 264225025 = 19968^2 + 16255^2 .

It is a cyclic number.

It is not a de Polignac number, because 662946049 - 2²³ = 654557441 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (662946019) 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, 331473024 + 331473025.

It is an arithmetic number, because the mean of its divisors is an integer number (331473025).

Almost surely, 2^662946049 is an apocalyptic number.

It is an amenable number.

662946049 is a deficient number, since it is larger than the sum of its proper divisors (1).

662946049 is an equidigital number, since it uses as much as digits as its factorization.

662946049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 662946049 is about 25747.7387162446. The cubic root of 662946049 is about 871.9523026298.

The spelling of 662946049 in words is "six hundred sixty-two million, nine hundred forty-six thousand, forty-nine".