446845707381 has 4 divisors (see below), whose sum is σ = 595794276512. Its totient is φ = 297897138252.

The previous prime is 446845707317. The next prime is 446845707437. The reversal of 446845707381 is 183707548644.

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 446845707381 - 2⁶ = 446845707317 is a prime.

It is a super-2 number, since 2×446845707381² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (446845707881) 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, 74474284561 + ... + 74474284566.

It is an arithmetic number, because the mean of its divisors is an integer number (148948569128).

Almost surely, 2^446845707381 is an apocalyptic number.

It is an amenable number.

446845707381 is a deficient number, since it is larger than the sum of its proper divisors (148948569131).

446845707381 is a wasteful number, since it uses less digits than its factorization.

446845707381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148948569130.

The product of its (nonzero) digits is 18063360, while the sum is 57.

The spelling of 446845707381 in words is "four hundred forty-six billion, eight hundred forty-five million, seven hundred seven thousand, three hundred eighty-one".