49127043891229 has 2 divisors, whose sum is σ = 49127043891230. Its totient is φ = 49127043891228.

The previous prime is 49127043891227. The next prime is 49127043891293. The reversal of 49127043891229 is 92219834072194.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37188982368729 + 11938061522500 = 6098277^2 + 3455150^2 .

It is a cyclic number.

It is not a de Polignac number, because 49127043891229 - 2¹ = 49127043891227 is a prime.

Together with 49127043891227, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49127043891227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24563521945614 + 24563521945615.

It is an arithmetic number, because the mean of its divisors is an integer number (24563521945615).

Almost surely, 2^{49127043891229} is an apocalyptic number.

It is an amenable number.

49127043891229 is a deficient number, since it is larger than the sum of its proper divisors (1).

49127043891229 is an equidigital number, since it uses as much as digits as its factorization.

49127043891229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15676416, while the sum is 61.

The spelling of 49127043891229 in words is "forty-nine trillion, one hundred twenty-seven billion, forty-three million, eight hundred ninety-one thousand, two hundred twenty-nine".