46505531428281 has 12 divisors (see below), whose sum is σ = 67175586955620. Its totient is φ = 31003258181280.

The previous prime is 46505531428273. The next prime is 46505531428319. The reversal of 46505531428281 is 18282413550564.

46505531428281 is a `hidden beast` number, since 4 + 6 + 5 + 0 + 5 + 531 + 4 + 28 + 2 + 81 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19316763367056 + 27188768061225 = 4395084^2 + 5214285^2 .

It is not a de Polignac number, because 46505531428281 - 2³ = 46505531428273 is a prime.

It is a super-2 number, since 2×46505531428281² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (46505581428281) 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, 35099910 + ... + 36400751.

It is an arithmetic number, because the mean of its divisors is an integer number (5597965579635).

Almost surely, 2^{46505531428281} is an apocalyptic number.

It is an amenable number.

46505531428281 is a deficient number, since it is larger than the sum of its proper divisors (20670055527339).

46505531428281 is a wasteful number, since it uses less digits than its factorization.

46505531428281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71572936 (or 71572933 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 54.

The spelling of 46505531428281 in words is "forty-six trillion, five hundred five billion, five hundred thirty-one million, four hundred twenty-eight thousand, two hundred eighty-one".