988633513 has 8 divisors (see below), whose sum is σ = 1130231232. Its totient is φ = 847126896.

The previous prime is 988633507. The next prime is 988633523. The reversal of 988633513 is 315336889.

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

It is not a de Polignac number, because 988633513 - 2⁹ = 988633001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (988633523) 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, 2331 + ... + 44527.

It is an arithmetic number, because the mean of its divisors is an integer number (141278904).

Almost surely, 2^988633513 is an apocalyptic number.

It is an amenable number.

988633513 is a deficient number, since it is larger than the sum of its proper divisors (141597719).

988633513 is a wasteful number, since it uses less digits than its factorization.

988633513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45551.

The product of its digits is 466560, while the sum is 46.

The square root of 988633513 is about 31442.5430428265. The cubic root of 988633513 is about 996.1967244330.

It can be divided in two parts, 988 and 633513, that added together give a triangular number (634501 = T₁₁₂₆).

The spelling of 988633513 in words is "nine hundred eighty-eight million, six hundred thirty-three thousand, five hundred thirteen".