998513610071 has 8 divisors (see below), whose sum is σ = 1008837856320. Its totient is φ = 988189982208.

The previous prime is 998513610047. The next prime is 998513610079. The reversal of 998513610071 is 170016315899.

998513610071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 998513610071 - 2²² = 998509415767 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 (998513610079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3547235 + ... + 3818363.

It is an arithmetic number, because the mean of its divisors is an integer number (126104732040).

Almost surely, 2^998513610071 is an apocalyptic number.

998513610071 is a deficient number, since it is larger than the sum of its proper divisors (10324246249).

998513610071 is a wasteful number, since it uses less digits than its factorization.

998513610071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309193.

The product of its (nonzero) digits is 408240, while the sum is 50.

The spelling of 998513610071 in words is "nine hundred ninety-eight billion, five hundred thirteen million, six hundred ten thousand, seventy-one".