98400249049 has 2 divisors, whose sum is σ = 98400249050. Its totient is φ = 98400249048.

The previous prime is 98400249047. The next prime is 98400249053. The reversal of 98400249049 is 94094200489.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97493817600 + 906431449 = 312240^2 + 30107^2 .

It is an emirp because it is prime and its reverse (94094200489) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98400249049 - 2¹ = 98400249047 is a prime.

Together with 98400249047, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 98400248993 and 98400249011.

It is not a weakly prime, because it can be changed into another prime (98400249047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49200124524 + 49200124525.

It is an arithmetic number, because the mean of its divisors is an integer number (49200124525).

Almost surely, 2^98400249049 is an apocalyptic number.

It is an amenable number.

98400249049 is a deficient number, since it is larger than the sum of its proper divisors (1).

98400249049 is an equidigital number, since it uses as much as digits as its factorization.

98400249049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 98400249049 in words is "ninety-eight billion, four hundred million, two hundred forty-nine thousand, forty-nine".