445747446685774 has 4 divisors (see below), whose sum is σ = 668621170028664. Its totient is φ = 222873723342886.

The previous prime is 445747446685769. The next prime is 445747446685777. The reversal of 445747446685774 is 477586644747544.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445747446685777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111436861671442 + ... + 111436861671445.

It is an arithmetic number, because the mean of its divisors is an integer number (167155292507166).

Almost surely, 2^{445747446685774} is an apocalyptic number.

445747446685774 is a deficient number, since it is larger than the sum of its proper divisors (222873723342890).

445747446685774 is a wasteful number, since it uses less digits than its factorization.

445747446685774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222873723342889.

The product of its digits is 70808371200, while the sum is 82.

The spelling of 445747446685774 in words is "four hundred forty-five trillion, seven hundred forty-seven billion, four hundred forty-six million, six hundred eighty-five thousand, seven hundred seventy-four".