98506557952213 has 2 divisors, whose sum is σ = 98506557952214. Its totient is φ = 98506557952212.

The previous prime is 98506557952183. The next prime is 98506557952217. The reversal of 98506557952213 is 31225975560589.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98506557952209 + 4 = 9925047^2 + 2^2 .

It is an emirp because it is prime and its reverse (31225975560589) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98506557952213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98506557952217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49253278976106 + 49253278976107.

It is an arithmetic number, because the mean of its divisors is an integer number (49253278976107).

Almost surely, 2^{98506557952213} is an apocalyptic number.

It is an amenable number.

98506557952213 is a deficient number, since it is larger than the sum of its proper divisors (1).

98506557952213 is an equidigital number, since it uses as much as digits as its factorization.

98506557952213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120000, while the sum is 67.

The spelling of 98506557952213 in words is "ninety-eight trillion, five hundred six billion, five hundred fifty-seven million, nine hundred fifty-two thousand, two hundred thirteen".