35663992649 has 2 divisors, whose sum is σ = 35663992650. Its totient is φ = 35663992648.

The previous prime is 35663992633. The next prime is 35663992667. The reversal of 35663992649 is 94629936653.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33937008400 + 1726984249 = 184220^2 + 41557^2 .

It is a cyclic number.

It is not a de Polignac number, because 35663992649 - 2⁴ = 35663992633 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 35663992591 and 35663992600.

It is not a weakly prime, because it can be changed into another prime (35663992669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17831996324 + 17831996325.

It is an arithmetic number, because the mean of its divisors is an integer number (17831996325).

Almost surely, 2^35663992649 is an apocalyptic number.

It is an amenable number.

35663992649 is a deficient number, since it is larger than the sum of its proper divisors (1).

35663992649 is an equidigital number, since it uses as much as digits as its factorization.

35663992649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56687040, while the sum is 62.

The spelling of 35663992649 in words is "thirty-five billion, six hundred sixty-three million, nine hundred ninety-two thousand, six hundred forty-nine".