446813448891 has 16 divisors (see below), whose sum is σ = 619811340288. Its totient is φ = 285996916800.

The previous prime is 446813448853. The next prime is 446813448899. The reversal of 446813448891 is 198844318644.

It is not a de Polignac number, because 446813448891 - 2¹⁰ = 446813447867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (446813448899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18903330 + ... + 18926951.

It is an arithmetic number, because the mean of its divisors is an integer number (38738208768).

Almost surely, 2^446813448891 is an apocalyptic number.

446813448891 is a deficient number, since it is larger than the sum of its proper divisors (172997891397).

446813448891 is a wasteful number, since it uses less digits than its factorization.

446813448891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37830442.

The product of its digits is 21233664, while the sum is 60.

The spelling of 446813448891 in words is "four hundred forty-six billion, eight hundred thirteen million, four hundred forty-eight thousand, eight hundred ninety-one".