989536919407 has 2 divisors, whose sum is σ = 989536919408. Its totient is φ = 989536919406.

The previous prime is 989536919381. The next prime is 989536919453. The reversal of 989536919407 is 704919635989.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-989536919407 is a prime.

It is a super-2 number, since 2×989536919407² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (989536919467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494768459703 + 494768459704.

It is an arithmetic number, because the mean of its divisors is an integer number (494768459704).

Almost surely, 2^989536919407 is an apocalyptic number.

989536919407 is a deficient number, since it is larger than the sum of its proper divisors (1).

989536919407 is an equidigital number, since it uses as much as digits as its factorization.

989536919407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132269760, while the sum is 70.

The spelling of 989536919407 in words is "nine hundred eighty-nine billion, five hundred thirty-six million, nine hundred nineteen thousand, four hundred seven".