446385906605 has 4 divisors (see below), whose sum is σ = 535663087932. Its totient is φ = 357108725280.

The previous prime is 446385906581. The next prime is 446385906719. The reversal of 446385906605 is 506609583644.

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 55374561124 + 391011345481 = 235318^2 + 625309^2 .

It is not a de Polignac number, because 446385906605 - 2¹⁴ = 446385890221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44638590656 + ... + 44638590665.

It is an arithmetic number, because the mean of its divisors is an integer number (133915771983).

Almost surely, 2^446385906605 is an apocalyptic number.

It is an amenable number.

446385906605 is a deficient number, since it is larger than the sum of its proper divisors (89277181327).

446385906605 is an equidigital number, since it uses as much as digits as its factorization.

446385906605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89277181326.

The product of its (nonzero) digits is 18662400, while the sum is 56.

The spelling of 446385906605 in words is "four hundred forty-six billion, three hundred eighty-five million, nine hundred six thousand, six hundred five".