9042646541 has 2 divisors, whose sum is σ = 9042646542. Its totient is φ = 9042646540.

The previous prime is 9042646519. The next prime is 9042646553. The reversal of 9042646541 is 1456462409.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7359924100 + 1682722441 = 85790^2 + 41021^2 .

It is an emirp because it is prime and its reverse (1456462409) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9042646541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9042646141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4521323270 + 4521323271.

It is an arithmetic number, because the mean of its divisors is an integer number (4521323271).

Almost surely, 2^9042646541 is an apocalyptic number.

It is an amenable number.

9042646541 is a deficient number, since it is larger than the sum of its proper divisors (1).

9042646541 is an equidigital number, since it uses as much as digits as its factorization.

9042646541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 9042646541 is about 95092.8311756465. The cubic root of 9042646541 is about 2083.3641427821.

The spelling of 9042646541 in words is "nine billion, forty-two million, six hundred forty-six thousand, five hundred forty-one".