49776866663 has 2 divisors, whose sum is σ = 49776866664. Its totient is φ = 49776866662.

The previous prime is 49776866651. The next prime is 49776866701. The reversal of 49776866663 is 36666867794.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49776866663 - 2¹² = 49776862567 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49776866593 and 49776866602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49776866063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24888433331 + 24888433332.

It is an arithmetic number, because the mean of its divisors is an integer number (24888433332).

Almost surely, 2^49776866663 is an apocalyptic number.

49776866663 is a deficient number, since it is larger than the sum of its proper divisors (1).

49776866663 is an equidigital number, since it uses as much as digits as its factorization.

49776866663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 329204736, while the sum is 68.

The spelling of 49776866663 in words is "forty-nine billion, seven hundred seventy-six million, eight hundred sixty-six thousand, six hundred sixty-three".