49175805869 has 2 divisors, whose sum is σ = 49175805870. Its totient is φ = 49175805868.

The previous prime is 49175805857. The next prime is 49175805881. The reversal of 49175805869 is 96850857194.

It is a balanced prime because it is at equal distance from previous prime (49175805857) and next prime (49175805881).

It can be written as a sum of positive squares in only one way, i.e., 30254427844 + 18921378025 = 173938^2 + 137555^2 .

It is a cyclic number.

It is not a de Polignac number, because 49175805869 - 2¹⁶ = 49175740333 is a prime.

It is a super-2 number, since 2×49175805869² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49175801869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24587902934 + 24587902935.

It is an arithmetic number, because the mean of its divisors is an integer number (24587902935).

Almost surely, 2^49175805869 is an apocalyptic number.

It is an amenable number.

49175805869 is a deficient number, since it is larger than the sum of its proper divisors (1).

49175805869 is an equidigital number, since it uses as much as digits as its factorization.

49175805869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21772800, while the sum is 62.

The spelling of 49175805869 in words is "forty-nine billion, one hundred seventy-five million, eight hundred five thousand, eight hundred sixty-nine".