941439728609 has 2 divisors, whose sum is σ = 941439728610. Its totient is φ = 941439728608.

The previous prime is 941439728597. The next prime is 941439728627. The reversal of 941439728609 is 906827934149.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 820196488609 + 121243240000 = 905647^2 + 348200^2 .

It is an emirp because it is prime and its reverse (906827934149) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-941439728609 is a prime.

It is not a weakly prime, because it can be changed into another prime (941439724609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470719864304 + 470719864305.

It is an arithmetic number, because the mean of its divisors is an integer number (470719864305).

Almost surely, 2^941439728609 is an apocalyptic number.

It is an amenable number.

941439728609 is a deficient number, since it is larger than the sum of its proper divisors (1).

941439728609 is an equidigital number, since it uses as much as digits as its factorization.

941439728609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23514624, while the sum is 62.

The spelling of 941439728609 in words is "nine hundred forty-one billion, four hundred thirty-nine million, seven hundred twenty-eight thousand, six hundred nine".