8190366643 has 2 divisors, whose sum is σ = 8190366644. Its totient is φ = 8190366642.

The previous prime is 8190366637. The next prime is 8190366647. The reversal of 8190366643 is 3466630918.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8190366643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8190366593 and 8190366602.

It is not a weakly prime, because it can be changed into another prime (8190366647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4095183321 + 4095183322.

It is an arithmetic number, because the mean of its divisors is an integer number (4095183322).

Almost surely, 2^8190366643 is an apocalyptic number.

8190366643 is a deficient number, since it is larger than the sum of its proper divisors (1).

8190366643 is an equidigital number, since it uses as much as digits as its factorization.

8190366643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 8190366643 is about 90500.6444341696. The cubic root of 8190366643 is about 2015.7396930055.

The spelling of 8190366643 in words is "eight billion, one hundred ninety million, three hundred sixty-six thousand, six hundred forty-three".