98021831686633 has 2 divisors, whose sum is σ = 98021831686634. Its totient is φ = 98021831686632.

The previous prime is 98021831686613. The next prime is 98021831686687. The reversal of 98021831686633 is 33668613812089.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97984400271849 + 37431414784 = 9898707^2 + 193472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98021831686633 is a prime.

It is not a weakly prime, because it can be changed into another prime (98021831686613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49010915843316 + 49010915843317.

It is an arithmetic number, because the mean of its divisors is an integer number (49010915843317).

Almost surely, 2^{98021831686633} is an apocalyptic number.

It is an amenable number.

98021831686633 is a deficient number, since it is larger than the sum of its proper divisors (1).

98021831686633 is an equidigital number, since it uses as much as digits as its factorization.

98021831686633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53747712, while the sum is 64.

The spelling of 98021831686633 in words is "ninety-eight trillion, twenty-one billion, eight hundred thirty-one million, six hundred eighty-six thousand, six hundred thirty-three".