98981462221 has 2 divisors, whose sum is σ = 98981462222. Its totient is φ = 98981462220.

The previous prime is 98981462197. The next prime is 98981462263. The reversal of 98981462221 is 12226418989.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91573417321 + 7408044900 = 302611^2 + 86070^2 .

It is a cyclic number.

It is not a de Polignac number, because 98981462221 - 2¹⁷ = 98981331149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98981469221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49490731110 + 49490731111.

It is an arithmetic number, because the mean of its divisors is an integer number (49490731111).

Almost surely, 2^98981462221 is an apocalyptic number.

It is an amenable number.

98981462221 is a deficient number, since it is larger than the sum of its proper divisors (1).

98981462221 is an equidigital number, since it uses as much as digits as its factorization.

98981462221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 52.

The spelling of 98981462221 in words is "ninety-eight billion, nine hundred eighty-one million, four hundred sixty-two thousand, two hundred twenty-one".