49976067989 has 2 divisors, whose sum is σ = 49976067990. Its totient is φ = 49976067988.

The previous prime is 49976067971. The next prime is 49976068001. The reversal of 49976067989 is 98976067994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46239191089 + 3736876900 = 215033^2 + 61130^2 .

It is a cyclic number.

It is not a de Polignac number, because 49976067989 - 2³² = 45681100693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49976067959) 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, 24988033994 + 24988033995.

It is an arithmetic number, because the mean of its divisors is an integer number (24988033995).

Almost surely, 2^49976067989 is an apocalyptic number.

It is an amenable number.

49976067989 is a deficient number, since it is larger than the sum of its proper divisors (1).

49976067989 is an equidigital number, since it uses as much as digits as its factorization.

49976067989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 370355328, while the sum is 74.

The spelling of 49976067989 in words is "forty-nine billion, nine hundred seventy-six million, sixty-seven thousand, nine hundred eighty-nine".