46531410221 has 2 divisors, whose sum is σ = 46531410222. Its totient is φ = 46531410220.

The previous prime is 46531410187. The next prime is 46531410253. The reversal of 46531410221 is 12201413564.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24028410121 + 22503000100 = 155011^2 + 150010^2 .

It is a cyclic number.

It is not a de Polignac number, because 46531410221 - 2¹⁴ = 46531393837 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46531400221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23265705110 + 23265705111.

It is an arithmetic number, because the mean of its divisors is an integer number (23265705111).

Almost surely, 2^46531410221 is an apocalyptic number.

It is an amenable number.

46531410221 is a deficient number, since it is larger than the sum of its proper divisors (1).

46531410221 is an equidigital number, since it uses as much as digits as its factorization.

46531410221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 46531410221 its reverse (12201413564), we get a palindrome (58732823785).

The spelling of 46531410221 in words is "forty-six billion, five hundred thirty-one million, four hundred ten thousand, two hundred twenty-one".