49848737989 has 2 divisors, whose sum is σ = 49848737990. Its totient is φ = 49848737988.

The previous prime is 49848737929. The next prime is 49848737999. The reversal of 49848737989 is 98973784894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42247513764 + 7601224225 = 205542^2 + 87185^2 .

It is a cyclic number.

It is not a de Polignac number, because 49848737989 - 2²³ = 49840349381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49848737929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24924368994 + 24924368995.

It is an arithmetic number, because the mean of its divisors is an integer number (24924368995).

Almost surely, 2^49848737989 is an apocalyptic number.

It is an amenable number.

49848737989 is a deficient number, since it is larger than the sum of its proper divisors (1).

49848737989 is an equidigital number, since it uses as much as digits as its factorization.

49848737989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 877879296, while the sum is 76.

The spelling of 49848737989 in words is "forty-nine billion, eight hundred forty-eight million, seven hundred thirty-seven thousand, nine hundred eighty-nine".