49877123119 has 2 divisors, whose sum is σ = 49877123120. Its totient is φ = 49877123118.

The previous prime is 49877123111. The next prime is 49877123137. The reversal of 49877123119 is 91132177894.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49877123119 - 2³ = 49877123111 is a prime.

It is a super-2 number, since 2×49877123119² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49877123111) 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, 24938561559 + 24938561560.

It is an arithmetic number, because the mean of its divisors is an integer number (24938561560).

Almost surely, 2^49877123119 is an apocalyptic number.

49877123119 is a deficient number, since it is larger than the sum of its proper divisors (1).

49877123119 is an equidigital number, since it uses as much as digits as its factorization.

49877123119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 52.

The spelling of 49877123119 in words is "forty-nine billion, eight hundred seventy-seven million, one hundred twenty-three thousand, one hundred nineteen".