49021494411577 has 2 divisors, whose sum is σ = 49021494411578. Its totient is φ = 49021494411576.

The previous prime is 49021494411569. The next prime is 49021494411607. The reversal of 49021494411577 is 77511449412094.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43939080366336 + 5082414045241 = 6628656^2 + 2254421^2 .

It is a cyclic number.

It is not a de Polignac number, because 49021494411577 - 2³ = 49021494411569 is a prime.

It is not a weakly prime, because it can be changed into another prime (49021494411077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24510747205788 + 24510747205789.

It is an arithmetic number, because the mean of its divisors is an integer number (24510747205789).

Almost surely, 2^{49021494411577} is an apocalyptic number.

It is an amenable number.

49021494411577 is a deficient number, since it is larger than the sum of its proper divisors (1).

49021494411577 is an equidigital number, since it uses as much as digits as its factorization.

49021494411577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10160640, while the sum is 58.

The spelling of 49021494411577 in words is "forty-nine trillion, twenty-one billion, four hundred ninety-four million, four hundred eleven thousand, five hundred seventy-seven".