446468385081 has 4 divisors (see below), whose sum is σ = 595291180112. Its totient is φ = 297645590052.

The previous prime is 446468385073. The next prime is 446468385109. The reversal of 446468385081 is 180583864644.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 446468385081 - 2³ = 446468385073 is a prime.

It is a super-2 number, since 2×446468385081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (446468305081) 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, 74411397511 + ... + 74411397516.

It is an arithmetic number, because the mean of its divisors is an integer number (148822795028).

Almost surely, 2^446468385081 is an apocalyptic number.

It is an amenable number.

446468385081 is a deficient number, since it is larger than the sum of its proper divisors (148822795031).

446468385081 is a wasteful number, since it uses less digits than its factorization.

446468385081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148822795030.

The product of its (nonzero) digits is 17694720, while the sum is 57.

The spelling of 446468385081 in words is "four hundred forty-six billion, four hundred sixty-eight million, three hundred eighty-five thousand, eighty-one".