98440025629 has 4 divisors (see below), whose sum is σ = 107389118880. Its totient is φ = 89490932380.

The previous prime is 98440025539. The next prime is 98440025641. The reversal of 98440025629 is 92652004489.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92652004489 = 11 ⋅8422909499.

It is a cyclic number.

It is not a de Polignac number, because 98440025629 - 2¹¹ = 98440023581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98440025329) 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 in 3 ways as a sum of consecutive naturals, for example, 4474546609 + ... + 4474546630.

It is an arithmetic number, because the mean of its divisors is an integer number (26847279720).

Almost surely, 2^98440025629 is an apocalyptic number.

It is an amenable number.

98440025629 is a deficient number, since it is larger than the sum of its proper divisors (8949093251).

98440025629 is a wasteful number, since it uses less digits than its factorization.

98440025629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8949093250.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 98440025629 in words is "ninety-eight billion, four hundred forty million, twenty-five thousand, six hundred twenty-nine".