98290863409 has 4 divisors (see below), whose sum is σ = 98291692404. Its totient is φ = 98290034416.

The previous prime is 98290863373. The next prime is 98290863427. The reversal of 98290863409 is 90436809289.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 50040347809 + 48250515600 = 223697^2 + 219660^2 .

It is a cyclic number.

It is not a de Polignac number, because 98290863409 - 2⁹ = 98290862897 is a prime.

It is a super-2 number, since 2×98290863409² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98290863439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199462 + ... + 486175.

It is an arithmetic number, because the mean of its divisors is an integer number (24572923101).

Almost surely, 2^98290863409 is an apocalyptic number.

It is an amenable number.

98290863409 is a deficient number, since it is larger than the sum of its proper divisors (828995).

98290863409 is a wasteful number, since it uses less digits than its factorization.

98290863409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828994.

The product of its (nonzero) digits is 6718464, while the sum is 58.

The spelling of 98290863409 in words is "ninety-eight billion, two hundred ninety million, eight hundred sixty-three thousand, four hundred nine".