46540532209 has 2 divisors, whose sum is σ = 46540532210. Its totient is φ = 46540532208.

The previous prime is 46540532153. The next prime is 46540532317. The reversal of 46540532209 is 90223504564.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43653834225 + 2886697984 = 208935^2 + 53728^2 .

It is a cyclic number.

It is not a de Polignac number, because 46540532209 - 2¹¹ = 46540530161 is a prime.

It is a super-2 number, since 2×46540532209² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (46540532809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23270266104 + 23270266105.

It is an arithmetic number, because the mean of its divisors is an integer number (23270266105).

Almost surely, 2^46540532209 is an apocalyptic number.

It is an amenable number.

46540532209 is a deficient number, since it is larger than the sum of its proper divisors (1).

46540532209 is an equidigital number, since it uses as much as digits as its factorization.

46540532209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 46540532209 in words is "forty-six billion, five hundred forty million, five hundred thirty-two thousand, two hundred nine".