994043041 has 2 divisors, whose sum is σ = 994043042. Its totient is φ = 994043040.

The previous prime is 994042967. The next prime is 994043053. The reversal of 994043041 is 140340499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 563065441 + 430977600 = 23729^2 + 20760^2 .

It is a cyclic number.

It is not a de Polignac number, because 994043041 - 2⁷ = 994042913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 994042988 and 994043006.

It is not a weakly prime, because it can be changed into another prime (994044041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497021520 + 497021521.

It is an arithmetic number, because the mean of its divisors is an integer number (497021521).

Almost surely, 2^994043041 is an apocalyptic number.

It is an amenable number.

994043041 is a deficient number, since it is larger than the sum of its proper divisors (1).

994043041 is an equidigital number, since it uses as much as digits as its factorization.

994043041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 994043041 is about 31528.4481222911. The cubic root of 994043041 is about 998.0103910817.

The spelling of 994043041 in words is "nine hundred ninety-four million, forty-three thousand, forty-one".