43452763280641 has 81 divisors (see below), whose sum is σ = 53476881711939. Its totient is φ = 35263873101600.

The previous prime is 43452763280551. The next prime is 43452763280651. The reversal of 43452763280641 is 14608236725434.

The square root of 43452763280641 is 6591871.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6427923562225 + 37024839718416 = 2535335^2 + 6084804^2 .

It is not a de Polignac number, because 43452763280641 - 2¹⁷ = 43452763149569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43452763280651) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 29221763400 + ... + 29221764886.

Almost surely, 2^{43452763280641} is an apocalyptic number.

43452763280641 is the 6591871-st square number.

43452763280641 is the 3295936-th centered octagonal number.

It is an amenable number.

43452763280641 is a deficient number, since it is larger than the sum of its proper divisors (10024118431298).

43452763280641 is an equidigital number, since it uses as much as digits as its factorization.

43452763280641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3084 (or 1542 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 55.

The spelling of 43452763280641 in words is "forty-three trillion, four hundred fifty-two billion, seven hundred sixty-three million, two hundred eighty thousand, six hundred forty-one".