994445783 has 2 divisors, whose sum is σ = 994445784. Its totient is φ = 994445782.

The previous prime is 994445773. The next prime is 994445791. The reversal of 994445783 is 387544499.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 994445783 - 2¹⁸ = 994183639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994445723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497222891 + 497222892.

It is an arithmetic number, because the mean of its divisors is an integer number (497222892).

Almost surely, 2^994445783 is an apocalyptic number.

994445783 is a deficient number, since it is larger than the sum of its proper divisors (1).

994445783 is an equidigital number, since it uses as much as digits as its factorization.

994445783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 53.

The square root of 994445783 is about 31534.8344374915. The cubic root of 994445783 is about 998.1451560143.

The spelling of 994445783 in words is "nine hundred ninety-four million, four hundred forty-five thousand, seven hundred eighty-three".