9189542741 has 2 divisors, whose sum is σ = 9189542742. Its totient is φ = 9189542740.

The previous prime is 9189542737. The next prime is 9189542807. The reversal of 9189542741 is 1472459819.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9152940241 + 36602500 = 95671^2 + 6050^2 .

It is an emirp because it is prime and its reverse (1472459819) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9189542741 - 2² = 9189542737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9189542741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9189542941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4594771370 + 4594771371.

It is an arithmetic number, because the mean of its divisors is an integer number (4594771371).

Almost surely, 2^9189542741 is an apocalyptic number.

It is an amenable number.

9189542741 is a deficient number, since it is larger than the sum of its proper divisors (1).

9189542741 is an equidigital number, since it uses as much as digits as its factorization.

9189542741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 50.

The square root of 9189542741 is about 95862.1027361699. The cubic root of 9189542741 is about 2094.5848951335.

The spelling of 9189542741 in words is "nine billion, one hundred eighty-nine million, five hundred forty-two thousand, seven hundred forty-one".