93136663489 has 9 divisors (see below), whose sum is σ = 94707454179. Its totient is φ = 91591521960.

The previous prime is 93136663463. The next prime is 93136663513. The reversal of 93136663489 is 98436663139.

The square root of 93136663489 is 305183.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3028631089 + 90108032400 = 55033^2 + 300180^2 .

It is not a de Polignac number, because 93136663489 - 2⁵ = 93136663457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93136663189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 18613662 + ... + 18618664.

Almost surely, 2^93136663489 is an apocalyptic number.

93136663489 is the 305183-rd square number.

93136663489 is the 152592-nd centered octagonal number.

It is an amenable number.

93136663489 is a deficient number, since it is larger than the sum of its proper divisors (1570790690).

93136663489 is an frugal number, since it uses more digits than its factorization.

93136663489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10128 (or 5064 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 58.

The spelling of 93136663489 in words is "ninety-three billion, one hundred thirty-six million, six hundred sixty-three thousand, four hundred eighty-nine".