3681941041 has 3 divisors (see below), whose sum is σ = 3682001721. Its totient is φ = 3681880362.

The previous prime is 3681940979. The next prime is 3681941057. The reversal of 3681941041 is 1401491863.

The square root of 3681941041 is 60679.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2^k-3681941041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3681941441) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 30340 + ... + 91018.

It is an arithmetic number, because the mean of its divisors is an integer number (1227333907).

Almost surely, 2^3681941041 is an apocalyptic number.

3681941041 is the 60679-th square number.

3681941041 is the 30340-th centered octagonal number.

It is an amenable number.

3681941041 is a deficient number, since it is larger than the sum of its proper divisors (60680).

3681941041 is an frugal number, since it uses more digits than its factorization.

3681941041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121358 (or 60679 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The cubic root of 3681941041 is about 1544.1599229916.

Multiplying 3681941041 by its product of nonzero digits (20736), we get a square (76348729426176 = 8737776²).

The spelling of 3681941041 in words is "three billion, six hundred eighty-one million, nine hundred forty-one thousand, forty-one".