49343689877 has 2 divisors, whose sum is σ = 49343689878. Its totient is φ = 49343689876.

The previous prime is 49343689873. The next prime is 49343689931. The reversal of 49343689877 is 77898634394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33911590801 + 15432099076 = 184151^2 + 124226^2 .

It is a cyclic number.

It is not a de Polignac number, because 49343689877 - 2² = 49343689873 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49343689873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24671844938 + 24671844939.

It is an arithmetic number, because the mean of its divisors is an integer number (24671844939).

Almost surely, 2^49343689877 is an apocalyptic number.

It is an amenable number.

49343689877 is a deficient number, since it is larger than the sum of its proper divisors (1).

49343689877 is an equidigital number, since it uses as much as digits as its factorization.

49343689877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 219469824, while the sum is 68.

The spelling of 49343689877 in words is "forty-nine billion, three hundred forty-three million, six hundred eighty-nine thousand, eight hundred seventy-seven".