9127692641 has 2 divisors, whose sum is σ = 9127692642. Its totient is φ = 9127692640.

The previous prime is 9127692631. The next prime is 9127692647. The reversal of 9127692641 is 1462967219.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8775755041 + 351937600 = 93679^2 + 18760^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9127692641 is a prime.

It is not a weakly prime, because it can be changed into another prime (9127692647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4563846320 + 4563846321.

It is an arithmetic number, because the mean of its divisors is an integer number (4563846321).

Almost surely, 2^9127692641 is an apocalyptic number.

It is an amenable number.

9127692641 is a deficient number, since it is larger than the sum of its proper divisors (1).

9127692641 is an equidigital number, since it uses as much as digits as its factorization.

9127692641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 47.

The square root of 9127692641 is about 95538.9587602879. The cubic root of 9127692641 is about 2089.8751206262.

The spelling of 9127692641 in words is "nine billion, one hundred twenty-seven million, six hundred ninety-two thousand, six hundred forty-one".