1941126643 has 8 divisors (see below), whose sum is σ = 1988009568. Its totient is φ = 1894623744.

The previous prime is 1941126641. The next prime is 1941126703. The reversal of 1941126643 is 3466211491.

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

It is a cyclic number.

It is not a de Polignac number, because 1941126643 - 2¹ = 1941126641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1941126641) 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, 84655 + ... + 105112.

It is an arithmetic number, because the mean of its divisors is an integer number (248501196).

Almost surely, 2^1941126643 is an apocalyptic number.

1941126643 is a deficient number, since it is larger than the sum of its proper divisors (46882925).

1941126643 is a wasteful number, since it uses less digits than its factorization.

1941126643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190013.

The product of its digits is 31104, while the sum is 37.

The square root of 1941126643 is about 44058.2187905957. The cubic root of 1941126643 is about 1247.4350911003.

The spelling of 1941126643 in words is "one billion, nine hundred forty-one million, one hundred twenty-six thousand, six hundred forty-three".