98440029641 has 2 divisors, whose sum is σ = 98440029642. Its totient is φ = 98440029640.

The previous prime is 98440029619. The next prime is 98440029683. The reversal of 98440029641 is 14692004489.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51001447225 + 47438582416 = 225835^2 + 217804^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98440029641 is a prime.

It is not a weakly prime, because it can be changed into another prime (98440029241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49220014820 + 49220014821.

It is an arithmetic number, because the mean of its divisors is an integer number (49220014821).

Almost surely, 2^98440029641 is an apocalyptic number.

It is an amenable number.

98440029641 is a deficient number, since it is larger than the sum of its proper divisors (1).

98440029641 is an equidigital number, since it uses as much as digits as its factorization.

98440029641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 98440029641 in words is "ninety-eight billion, four hundred forty million, twenty-nine thousand, six hundred forty-one".