98943699630989 has 2 divisors, whose sum is σ = 98943699630990. Its totient is φ = 98943699630988.

The previous prime is 98943699630907. The next prime is 98943699631003. The reversal of 98943699630989 is 98903699634989.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62454911676964 + 36488787954025 = 7902842^2 + 6040595^2 .

It is a cyclic number.

It is not a de Polignac number, because 98943699630989 - 2⁸ = 98943699630733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98943699630898 and 98943699630907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98943699600989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49471849815494 + 49471849815495.

It is an arithmetic number, because the mean of its divisors is an integer number (49471849815495).

Almost surely, 2^{98943699630989} is an apocalyptic number.

It is an amenable number.

98943699630989 is a deficient number, since it is larger than the sum of its proper divisors (1).

98943699630989 is an equidigital number, since it uses as much as digits as its factorization.

98943699630989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44079842304, while the sum is 92.

The spelling of 98943699630989 in words is "ninety-eight trillion, nine hundred forty-three billion, six hundred ninety-nine million, six hundred thirty thousand, nine hundred eighty-nine".