98101649 has 2 divisors, whose sum is σ = 98101650. Its totient is φ = 98101648.

The previous prime is 98101637. The next prime is 98101651. The reversal of 98101649 is 94610189.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88491649 + 9610000 = 9407^2 + 3100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98101649 is a prime.

Together with 98101651, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98101609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49050824 + 49050825.

It is an arithmetic number, because the mean of its divisors is an integer number (49050825).

Almost surely, 2^98101649 is an apocalyptic number.

It is an amenable number.

98101649 is a deficient number, since it is larger than the sum of its proper divisors (1).

98101649 is an equidigital number, since it uses as much as digits as its factorization.

98101649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 98101649 is about 9904.6276557981. The cubic root of 98101649 is about 461.2029776072.

The spelling of 98101649 in words is "ninety-eight million, one hundred one thousand, six hundred forty-nine".