93128463795481 has 27 divisors (see below), whose sum is σ = 98590551738111. Its totient is φ = 87956158729824.

The previous prime is 93128463795467. The next prime is 93128463795511. The reversal of 93128463795481 is 18459736482139.

The square root of 93128463795481 is 9650309.

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., 26483837600025 + 66644626195456 = 5146245^2 + 8163616^2 .

It is not a de Polignac number, because 93128463795481 - 2²³ = 93128455406873 is a prime.

It is a super-2 number, since 2×93128463795481² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 93128463795481.

It is not an unprimeable number, because it can be changed into a prime (93128463795581) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 84893767725 + ... + 84893768821.

Almost surely, 2^{93128463795481} is an apocalyptic number.

93128463795481 is the 9650309-th square number.

93128463795481 is the 4825155-th centered octagonal number.

It is an amenable number.

93128463795481 is a deficient number, since it is larger than the sum of its proper divisors (5462087942630).

93128463795481 is an frugal number, since it uses more digits than its factorization.

93128463795481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158 (or 1579 counting only the distinct ones).

The product of its digits is 313528320, while the sum is 70.

The spelling of 93128463795481 in words is "ninety-three trillion, one hundred twenty-eight billion, four hundred sixty-three million, seven hundred ninety-five thousand, four hundred eighty-one".