50014640989 has 2 divisors, whose sum is σ = 50014640990. Its totient is φ = 50014640988.

The previous prime is 50014640987. The next prime is 50014641029. The reversal of 50014640989 is 98904641005.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41551560964 + 8463080025 = 203842^2 + 91995^2 .

It is a cyclic number.

It is not a de Polignac number, because 50014640989 - 2¹ = 50014640987 is a prime.

Together with 50014640987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50014640987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25007320494 + 25007320495.

It is an arithmetic number, because the mean of its divisors is an integer number (25007320495).

Almost surely, 2^50014640989 is an apocalyptic number.

It is an amenable number.

50014640989 is a deficient number, since it is larger than the sum of its proper divisors (1).

50014640989 is an equidigital number, since it uses as much as digits as its factorization.

50014640989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 50014640989 in words is "fifty billion, fourteen million, six hundred forty thousand, nine hundred eighty-nine".