989468468415 has 48 divisors (see below), whose sum is σ = 1964978174016. Its totient is φ = 451200384000.

The previous prime is 989468468399. The next prime is 989468468501. The reversal of 989468468415 is 514864864989.

989468468415 is a `hidden beast` number, since 9 + 8 + 94 + 68 + 4 + 68 + 415 = 666.

It is not a de Polignac number, because 989468468415 - 2⁴ = 989468468399 is a prime.

It is a super-2 number, since 2×989468468415² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3790356 + ... + 4042985.

It is an arithmetic number, because the mean of its divisors is an integer number (40937045292).

Almost surely, 2^989468468415 is an apocalyptic number.

989468468415 is a deficient number, since it is larger than the sum of its proper divisors (975509705601).

989468468415 is a wasteful number, since it uses less digits than its factorization.

989468468415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7833760 (or 7833757 counting only the distinct ones).

The product of its digits is 477757440, while the sum is 72.

The spelling of 989468468415 in words is "nine hundred eighty-nine billion, four hundred sixty-eight million, four hundred sixty-eight thousand, four hundred fifteen".