43483178818481 has 4 divisors (see below), whose sum is σ = 43483369028964. Its totient is φ = 43482988608000.

The previous prime is 43483178818477. The next prime is 43483178818489. The reversal of 43483178818481 is 18481887138434.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22180190872225 + 21302987946256 = 4709585^2 + 4615516^2 .

It is a cyclic number.

It is not a de Polignac number, because 43483178818481 - 2² = 43483178818477 is a prime.

It is a super-2 number, since 2×43483178818481² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43483178818489) 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, 94761920 + ... + 95219681.

It is an arithmetic number, because the mean of its divisors is an integer number (10870842257241).

Almost surely, 2^{43483178818481} is an apocalyptic number.

It is an amenable number.

43483178818481 is a deficient number, since it is larger than the sum of its proper divisors (190210483).

43483178818481 is a wasteful number, since it uses less digits than its factorization.

43483178818481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190210482.

The product of its digits is 132120576, while the sum is 68.

The spelling of 43483178818481 in words is "forty-three trillion, four hundred eighty-three billion, one hundred seventy-eight million, eight hundred eighteen thousand, four hundred eighty-one".