49676802661 has 2 divisors, whose sum is σ = 49676802662. Its totient is φ = 49676802660.

The previous prime is 49676802641. The next prime is 49676802677. The reversal of 49676802661 is 16620867694.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49319970561 + 356832100 = 222081^2 + 18890^2 .

It is a cyclic number.

It is not a de Polignac number, because 49676802661 - 2⁵ = 49676802629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49676802611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24838401330 + 24838401331.

It is an arithmetic number, because the mean of its divisors is an integer number (24838401331).

Almost surely, 2^49676802661 is an apocalyptic number.

It is an amenable number.

49676802661 is a deficient number, since it is larger than the sum of its proper divisors (1).

49676802661 is an equidigital number, since it uses as much as digits as its factorization.

49676802661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 49676802661 in words is "forty-nine billion, six hundred seventy-six million, eight hundred two thousand, six hundred sixty-one".