445456547734813 has 16 divisors (see below), whose sum is σ = 470245611211200. Its totient is φ = 420801962042880.

The previous prime is 445456547734771. The next prime is 445456547734817. The reversal of 445456547734813 is 318437745654544.

It is a cyclic number.

It is not a de Polignac number, because 445456547734813 - 2¹⁷ = 445456547603741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445456547734817) 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, 203265678 + ... + 205445488.

It is an arithmetic number, because the mean of its divisors is an integer number (29390350700700).

Almost surely, 2^{445456547734813} is an apocalyptic number.

It is an amenable number.

445456547734813 is a deficient number, since it is larger than the sum of its proper divisors (24789063476387).

445456547734813 is a wasteful number, since it uses less digits than its factorization.

445456547734813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210652.

The product of its digits is 2709504000, while the sum is 70.

The spelling of 445456547734813 in words is "four hundred forty-five trillion, four hundred fifty-six billion, five hundred forty-seven million, seven hundred thirty-four thousand, eight hundred thirteen".