3544474246721 has 4 divisors (see below), whose sum is σ = 3553586006100. Its totient is φ = 3535362487344.

The previous prime is 3544474246669. The next prime is 3544474246741. The reversal of 3544474246721 is 1276424744453.

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 1282864308496 + 2261609938225 = 1132636^2 + 1503865^2 .

It is a cyclic number.

It is not a de Polignac number, because 3544474246721 - 2¹⁴ = 3544474230337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3544474246741) 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, 4555879106 + ... + 4555879883.

It is an arithmetic number, because the mean of its divisors is an integer number (888396501525).

Almost surely, 2^{3544474246721} is an apocalyptic number.

It is an amenable number.

3544474246721 is a deficient number, since it is larger than the sum of its proper divisors (9111759379).

3544474246721 is an equidigital number, since it uses as much as digits as its factorization.

3544474246721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9111759378.

The product of its digits is 18063360, while the sum is 53.

The spelling of 3544474246721 in words is "three trillion, five hundred forty-four billion, four hundred seventy-four million, two hundred forty-six thousand, seven hundred twenty-one".