49494667134481 has 2 divisors, whose sum is σ = 49494667134482. Its totient is φ = 49494667134480.

The previous prime is 49494667134449. The next prime is 49494667134509. The reversal of 49494667134481 is 18443176649494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44365710456081 + 5128956678400 = 6660759^2 + 2264720^2 .

It is a cyclic number.

It is not a de Polignac number, because 49494667134481 - 2⁵ = 49494667134449 is a prime.

It is a super-2 number, since 2×49494667134481² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49494667134481.

It is not a weakly prime, because it can be changed into another prime (49494667134401) 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, 24747333567240 + 24747333567241.

It is an arithmetic number, because the mean of its divisors is an integer number (24747333567241).

Almost surely, 2^{49494667134481} is an apocalyptic number.

It is an amenable number.

49494667134481 is a deficient number, since it is larger than the sum of its proper divisors (1).

49494667134481 is an equidigital number, since it uses as much as digits as its factorization.

49494667134481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 501645312, while the sum is 70.

The spelling of 49494667134481 in words is "forty-nine trillion, four hundred ninety-four billion, six hundred sixty-seven million, one hundred thirty-four thousand, four hundred eighty-one".