445673013 has 8 divisors (see below), whose sum is σ = 596440800. Its totient is φ = 296010288.

The previous prime is 445673009. The next prime is 445673023. The reversal of 445673013 is 310376544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 445673013 - 2² = 445673009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445673023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275323 + ... + 276936.

It is an arithmetic number, because the mean of its divisors is an integer number (74555100).

Almost surely, 2^445673013 is an apocalyptic number.

It is an amenable number.

445673013 is a deficient number, since it is larger than the sum of its proper divisors (150767787).

445673013 is a wasteful number, since it uses less digits than its factorization.

445673013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552531.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 445673013 is about 21110.9690208669. The cubic root of 445673013 is about 763.8453613952.

The spelling of 445673013 in words is "four hundred forty-five million, six hundred seventy-three thousand, thirteen".