4075394040049 has 2 divisors, whose sum is σ = 4075394040050. Its totient is φ = 4075394040048.

The previous prime is 4075394040019. The next prime is 4075394040073. The reversal of 4075394040049 is 9400404935704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3979546214400 + 95847825649 = 1994880^2 + 309593^2 .

It is a cyclic number.

It is not a de Polignac number, because 4075394040049 - 2⁷ = 4075394039921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4075394039984 and 4075394040011.

It is not a weakly prime, because it can be changed into another prime (4075394040019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2037697020024 + 2037697020025.

It is an arithmetic number, because the mean of its divisors is an integer number (2037697020025).

Almost surely, 2^{4075394040049} is an apocalyptic number.

It is an amenable number.

4075394040049 is a deficient number, since it is larger than the sum of its proper divisors (1).

4075394040049 is an equidigital number, since it uses as much as digits as its factorization.

4075394040049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 4075394040049 in words is "four trillion, seventy-five billion, three hundred ninety-four million, forty thousand, forty-nine".