446421173475401 has 2 divisors, whose sum is σ = 446421173475402. Its totient is φ = 446421173475400.

The previous prime is 446421173475359. The next prime is 446421173475421. The reversal of 446421173475401 is 104574371124644.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 404429153459776 + 41992020015625 = 20110424^2 + 6480125^2 .

It is a cyclic number.

It is not a de Polignac number, because 446421173475401 - 2¹⁰ = 446421173474377 is a prime.

It is a super-2 number, since 2×446421173475401² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (446421173475421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223210586737700 + 223210586737701.

It is an arithmetic number, because the mean of its divisors is an integer number (223210586737701).

Almost surely, 2^{446421173475401} is an apocalyptic number.

It is an amenable number.

446421173475401 is a deficient number, since it is larger than the sum of its proper divisors (1).

446421173475401 is an equidigital number, since it uses as much as digits as its factorization.

446421173475401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9031680, while the sum is 53.

The spelling of 446421173475401 in words is "four hundred forty-six trillion, four hundred twenty-one billion, one hundred seventy-three million, four hundred seventy-five thousand, four hundred one".