989466452136 has 48 divisors (see below), whose sum is σ = 2682248037300. Its totient is φ = 329521466112.

The previous prime is 989466452087. The next prime is 989466452137. The reversal of 989466452136 is 631254664989.

989466452136 is a `hidden beast` number, since 9 + 8 + 9 + 46 + 6 + 452 + 136 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 893989160100 + 95477292036 = 945510^2 + 308994^2 .

It is not an unprimeable number, because it can be changed into a prime (989466452137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6184731 + ... + 6342698.

Almost surely, 2^989466452136 is an apocalyptic number.

It is an amenable number.

989466452136 is an abundant number, since it is smaller than the sum of its proper divisors (1692781585164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

989466452136 is a wasteful number, since it uses less digits than its factorization.

989466452136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12528538 (or 12528531 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 63.

The spelling of 989466452136 in words is "nine hundred eighty-nine billion, four hundred sixty-six million, four hundred fifty-two thousand, one hundred thirty-six".