989652101 has 2 divisors, whose sum is σ = 989652102. Its totient is φ = 989652100.

The previous prime is 989652089. The next prime is 989652113. The reversal of 989652101 is 101256989.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (989652089) and next prime (989652113).

It can be written as a sum of positive squares in only one way, i.e., 782320900 + 207331201 = 27970^2 + 14399^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-989652101 is a prime.

It is a super-2 number, since 2×989652101² = 1958822562027428402, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (989652151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494826050 + 494826051.

It is an arithmetic number, because the mean of its divisors is an integer number (494826051).

Almost surely, 2^989652101 is an apocalyptic number.

It is an amenable number.

989652101 is a deficient number, since it is larger than the sum of its proper divisors (1).

989652101 is an equidigital number, since it uses as much as digits as its factorization.

989652101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 989652101 is about 31458.7364813020. The cubic root of 989652101 is about 996.5387337920.

The spelling of 989652101 in words is "nine hundred eighty-nine million, six hundred fifty-two thousand, one hundred one".