461061530788321 has 4 divisors (see below), whose sum is σ = 461062224661252. Its totient is φ = 461060836915392.

The previous prime is 461061530788291. The next prime is 461061530788357. The reversal of 461061530788321 is 123887035160164.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 294559644307600 + 166501886480721 = 17162740^2 + 12903561^2 .

It is a cyclic number.

It is not a de Polignac number, because 461061530788321 - 2¹⁷ = 461061530657249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461061539788321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345938796 + ... + 347269021.

It is an arithmetic number, because the mean of its divisors is an integer number (115265556165313).

Almost surely, 2^{461061530788321} is an apocalyptic number.

It is an amenable number.

461061530788321 is a deficient number, since it is larger than the sum of its proper divisors (693872931).

461061530788321 is an equidigital number, since it uses as much as digits as its factorization.

461061530788321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693872930.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 461061530788321 in words is "four hundred sixty-one trillion, sixty-one billion, five hundred thirty million, seven hundred eighty-eight thousand, three hundred twenty-one".