46164044040209 has 2 divisors, whose sum is σ = 46164044040210. Its totient is φ = 46164044040208.

The previous prime is 46164044040199. The next prime is 46164044040253. The reversal of 46164044040209 is 90204044046164.

It is an a-pointer prime, because the next prime (46164044040253) can be obtained adding 46164044040209 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26752397641984 + 19411646398225 = 5172272^2 + 4405865^2 .

It is a cyclic number.

It is not a de Polignac number, because 46164044040209 - 2²⁴ = 46164027262993 is a prime.

It is a super-2 number, since 2×46164044040209² (a number of 28 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 46164044040209.

It is not a weakly prime, because it can be changed into another prime (46164044045209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23082022020104 + 23082022020105.

It is an arithmetic number, because the mean of its divisors is an integer number (23082022020105).

Almost surely, 2^{46164044040209} is an apocalyptic number.

It is an amenable number.

46164044040209 is a deficient number, since it is larger than the sum of its proper divisors (1).

46164044040209 is an equidigital number, since it uses as much as digits as its factorization.

46164044040209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 46164044040209 in words is "forty-six trillion, one hundred sixty-four billion, forty-four million, forty thousand, two hundred nine".