988513698523 has 16 divisors (see below), whose sum is σ = 1128259117440. Its totient is φ = 857972468736.

The previous prime is 988513698517. The next prime is 988513698541. The reversal of 988513698523 is 325896315889.

It is a cyclic number.

It is not a de Polignac number, because 988513698523 - 2¹³ = 988513690331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (988513698593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1922890 + ... + 2382127.

It is an arithmetic number, because the mean of its divisors is an integer number (70516194840).

Almost surely, 2^988513698523 is an apocalyptic number.

988513698523 is a deficient number, since it is larger than the sum of its proper divisors (139745418917).

988513698523 is a wasteful number, since it uses less digits than its factorization.

988513698523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4306086.

The product of its digits is 111974400, while the sum is 67.

The spelling of 988513698523 in words is "nine hundred eighty-eight billion, five hundred thirteen million, six hundred ninety-eight thousand, five hundred twenty-three".