1941340641 has 8 divisors (see below), whose sum is σ = 2588670240. Its totient is φ = 1294119072.

The previous prime is 1941340613. The next prime is 1941340729. The reversal of 1941340641 is 1460431491.

1941340641 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1941340641 - 2⁹ = 1941340129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1941340241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35781 + ... + 71853.

It is an arithmetic number, because the mean of its divisors is an integer number (323583780).

Almost surely, 2^1941340641 is an apocalyptic number.

It is an amenable number.

1941340641 is a deficient number, since it is larger than the sum of its proper divisors (647329599).

1941340641 is a wasteful number, since it uses less digits than its factorization.

1941340641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54015.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1941340641 is about 44060.6473057308. The cubic root of 1941340641 is about 1247.4809302536.

The spelling of 1941340641 in words is "one billion, nine hundred forty-one million, three hundred forty thousand, six hundred forty-one".