98647448951 has 4 divisors (see below), whose sum is σ = 98668718400. Its totient is φ = 98626179504.

The previous prime is 98647448927. The next prime is 98647449007. The reversal of 98647448951 is 15984474689.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98647448951 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 (98647448651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10627766 + ... + 10637043.

It is an arithmetic number, because the mean of its divisors is an integer number (24667179600).

Almost surely, 2^98647448951 is an apocalyptic number.

98647448951 is a deficient number, since it is larger than the sum of its proper divisors (21269449).

98647448951 is a wasteful number, since it uses less digits than its factorization.

98647448951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21269448.

The product of its digits is 69672960, while the sum is 65.

The spelling of 98647448951 in words is "ninety-eight billion, six hundred forty-seven million, four hundred forty-eight thousand, nine hundred fifty-one".