98181192953 has 2 divisors, whose sum is σ = 98181192954. Its totient is φ = 98181192952.

The previous prime is 98181192943. The next prime is 98181192973. The reversal of 98181192953 is 35929118189.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89707438144 + 8473754809 = 299512^2 + 92053^2 .

It is an emirp because it is prime and its reverse (35929118189) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98181192953 - 2¹² = 98181188857 is a prime.

It is not a weakly prime, because it can be changed into another prime (98181192943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49090596476 + 49090596477.

It is an arithmetic number, because the mean of its divisors is an integer number (49090596477).

Almost surely, 2^98181192953 is an apocalyptic number.

It is an amenable number.

98181192953 is a deficient number, since it is larger than the sum of its proper divisors (1).

98181192953 is an equidigital number, since it uses as much as digits as its factorization.

98181192953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 56.

The spelling of 98181192953 in words is "ninety-eight billion, one hundred eighty-one million, one hundred ninety-two thousand, nine hundred fifty-three".