4731386673445 has 16 divisors (see below), whose sum is σ = 5679824432688. Its totient is φ = 3783669350400.

The previous prime is 4731386673443. The next prime is 4731386673469. The reversal of 4731386673445 is 5443766831374.

It can be written as a sum of positive squares in 8 ways, for example, as 7888637124 + 4723498036321 = 88818^2 + 2173361^2 .

It is not a de Polignac number, because 4731386673445 - 2¹ = 4731386673443 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 (4731386673443) 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, 206266017 + ... + 206288953.

It is an arithmetic number, because the mean of its divisors is an integer number (354989027043).

Almost surely, 2^{4731386673445} is an apocalyptic number.

It is an amenable number.

4731386673445 is a deficient number, since it is larger than the sum of its proper divisors (948437759243).

4731386673445 is a wasteful number, since it uses less digits than its factorization.

4731386673445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36840.

The product of its digits is 121927680, while the sum is 61.

The spelling of 4731386673445 in words is "four trillion, seven hundred thirty-one billion, three hundred eighty-six million, six hundred seventy-three thousand, four hundred forty-five".