49127043891157 has 2 divisors, whose sum is σ = 49127043891158. Its totient is φ = 49127043891156.

The previous prime is 49127043891119. The next prime is 49127043891187. The reversal of 49127043891157 is 75119834072194.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48884232459076 + 242811432081 = 6991726^2 + 492759^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49127043891157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49127043891095 and 49127043891104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49127043891187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24563521945578 + 24563521945579.

It is an arithmetic number, because the mean of its divisors is an integer number (24563521945579).

Almost surely, 2^{49127043891157} is an apocalyptic number.

It is an amenable number.

49127043891157 is a deficient number, since it is larger than the sum of its proper divisors (1).

49127043891157 is an equidigital number, since it uses as much as digits as its factorization.

49127043891157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15240960, while the sum is 61.

The spelling of 49127043891157 in words is "forty-nine trillion, one hundred twenty-seven billion, forty-three million, eight hundred ninety-one thousand, one hundred fifty-seven".