446809276868161 has 4 divisors (see below), whose sum is σ = 446820227848324. Its totient is φ = 446798325888000.

The previous prime is 446809276868093. The next prime is 446809276868291. The reversal of 446809276868161 is 161868672908644.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 364691589610000 + 82117687258161 = 19096900^2 + 9061881^2 .

It is a cyclic number.

It is not a de Polignac number, because 446809276868161 - 2³¹ = 446807129384513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (446809276878161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5475428880 + ... + 5475510481.

It is an arithmetic number, because the mean of its divisors is an integer number (111705056962081).

Almost surely, 2^{446809276868161} is an apocalyptic number.

It is an amenable number.

446809276868161 is a deficient number, since it is larger than the sum of its proper divisors (10950980163).

446809276868161 is a wasteful number, since it uses less digits than its factorization.

446809276868161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10950980162.

The product of its (nonzero) digits is 1337720832, while the sum is 76.

The spelling of 446809276868161 in words is "four hundred forty-six trillion, eight hundred nine billion, two hundred seventy-six million, eight hundred sixty-eight thousand, one hundred sixty-one".