49087826178049 has 2 divisors, whose sum is σ = 49087826178050. Its totient is φ = 49087826178048.

The previous prime is 49087826177983. The next prime is 49087826178059. The reversal of 49087826178049 is 94087162878094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41312344891024 + 7775481287025 = 6427468^2 + 2788455^2 .

It is a cyclic number.

It is not a de Polignac number, because 49087826178049 - 2³¹ = 49085678694401 is a prime.

It is a super-2 number, since 2×49087826178049² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49087826178059) 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, 24543913089024 + 24543913089025.

It is an arithmetic number, because the mean of its divisors is an integer number (24543913089025).

Almost surely, 2^{49087826178049} is an apocalyptic number.

It is an amenable number.

49087826178049 is a deficient number, since it is larger than the sum of its proper divisors (1).

49087826178049 is an equidigital number, since it uses as much as digits as its factorization.

49087826178049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 390168576, while the sum is 73.

The spelling of 49087826178049 in words is "forty-nine trillion, eighty-seven billion, eight hundred twenty-six million, one hundred seventy-eight thousand, forty-nine".