446543478413 has 2 divisors, whose sum is σ = 446543478414. Its totient is φ = 446543478412.

The previous prime is 446543478379. The next prime is 446543478523. The reversal of 446543478413 is 314874345644.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 437902474564 + 8641003849 = 661742^2 + 92957^2 .

It is a cyclic number.

It is not a de Polignac number, because 446543478413 - 2²⁸ = 446275042957 is a prime.

It is a super-2 number, since 2×446543478413² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (446545478413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223271739206 + 223271739207.

It is an arithmetic number, because the mean of its divisors is an integer number (223271739207).

Almost surely, 2^446543478413 is an apocalyptic number.

It is an amenable number.

446543478413 is a deficient number, since it is larger than the sum of its proper divisors (1).

446543478413 is an equidigital number, since it uses as much as digits as its factorization.

446543478413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15482880, while the sum is 53.

The spelling of 446543478413 in words is "four hundred forty-six billion, five hundred forty-three million, four hundred seventy-eight thousand, four hundred thirteen".