1078183643 has 2 divisors, whose sum is σ = 1078183644. Its totient is φ = 1078183642.

The previous prime is 1078183621. The next prime is 1078183649. The reversal of 1078183643 is 3463818701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1078183643 - 2²⁸ = 809748187 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1078183643.

It is not a weakly prime, because it can be changed into another prime (1078183649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539091821 + 539091822.

It is an arithmetic number, because the mean of its divisors is an integer number (539091822).

Almost surely, 2^1078183643 is an apocalyptic number.

1078183643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078183643 is an equidigital number, since it uses as much as digits as its factorization.

1078183643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 1078183643 is about 32835.7068296085. The cubic root of 1078183643 is about 1025.4100736349.

The spelling of 1078183643 in words is "one billion, seventy-eight million, one hundred eighty-three thousand, six hundred forty-three".