49568981477 has 2 divisors, whose sum is σ = 49568981478. Its totient is φ = 49568981476.

The previous prime is 49568981417. The next prime is 49568981519. The reversal of 49568981477 is 77418986594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39121279681 + 10447701796 = 197791^2 + 102214^2 .

It is a cyclic number.

It is not a de Polignac number, because 49568981477 - 2¹⁰ = 49568980453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49568981417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24784490738 + 24784490739.

It is an arithmetic number, because the mean of its divisors is an integer number (24784490739).

Almost surely, 2^49568981477 is an apocalyptic number.

It is an amenable number.

49568981477 is a deficient number, since it is larger than the sum of its proper divisors (1).

49568981477 is an equidigital number, since it uses as much as digits as its factorization.

49568981477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 121927680, while the sum is 68.

The spelling of 49568981477 in words is "forty-nine billion, five hundred sixty-eight million, nine hundred eighty-one thousand, four hundred seventy-seven".