3748775730641 has 4 divisors (see below), whose sum is σ = 3748786975284. Its totient is φ = 3748764486000.

The previous prime is 3748775730631. The next prime is 3748775730677. The reversal of 3748775730641 is 1460375778473.

3748775730641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 946262017600 + 2802513713041 = 972760^2 + 1674071^2 .

It is a cyclic number.

It is not a de Polignac number, because 3748775730641 - 2⁶ = 3748775730577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3748775730631) 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, 5106470 + ... + 5794271.

It is an arithmetic number, because the mean of its divisors is an integer number (937196743821).

Almost surely, 2^{3748775730641} is an apocalyptic number.

It is an amenable number.

3748775730641 is a deficient number, since it is larger than the sum of its proper divisors (11244643).

3748775730641 is a wasteful number, since it uses less digits than its factorization.

3748775730641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11244642.

The product of its (nonzero) digits is 82978560, while the sum is 62.

The spelling of 3748775730641 in words is "three trillion, seven hundred forty-eight billion, seven hundred seventy-five million, seven hundred thirty thousand, six hundred forty-one".