3724814721601 has 4 divisors (see below), whose sum is σ = 3724856630100. Its totient is φ = 3724772813104.

The previous prime is 3724814721557. The next prime is 3724814721623. The reversal of 3724814721601 is 1061274184273.

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 849348403201 + 2875466318400 = 921601^2 + 1695720^2 .

It is a cyclic number.

It is not a de Polignac number, because 3724814721601 - 2¹⁷ = 3724814590529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3724814721671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20820646 + ... + 20998783.

It is an arithmetic number, because the mean of its divisors is an integer number (931214157525).

Almost surely, 2^{3724814721601} is an apocalyptic number.

It is an amenable number.

3724814721601 is a deficient number, since it is larger than the sum of its proper divisors (41908499).

3724814721601 is an equidigital number, since it uses as much as digits as its factorization.

3724814721601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41908498.

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 3724814721601 in words is "three trillion, seven hundred twenty-four billion, eight hundred fourteen million, seven hundred twenty-one thousand, six hundred one".