98163649 has 2 divisors, whose sum is σ = 98163650. Its totient is φ = 98163648.

The previous prime is 98163647. The next prime is 98163679. The reversal of 98163649 is 94636189.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72590400 + 25573249 = 8520^2 + 5057^2 .

It is a cyclic number.

It is not a de Polignac number, because 98163649 - 2¹ = 98163647 is a prime.

It is a super-2 number, since 2×98163649² = 19272203969990402, which contains 22 as substring.

Together with 98163647, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 98163599 and 98163608.

It is not a weakly prime, because it can be changed into another prime (98163647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49081824 + 49081825.

It is an arithmetic number, because the mean of its divisors is an integer number (49081825).

Almost surely, 2^98163649 is an apocalyptic number.

It is an amenable number.

98163649 is a deficient number, since it is larger than the sum of its proper divisors (1).

98163649 is an equidigital number, since it uses as much as digits as its factorization.

98163649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 46.

The square root of 98163649 is about 9907.7570115541. The cubic root of 98163649 is about 461.3001168606.

The spelling of 98163649 in words is "ninety-eight million, one hundred sixty-three thousand, six hundred forty-nine".