4090378297601 has 2 divisors, whose sum is σ = 4090378297602. Its totient is φ = 4090378297600.

The previous prime is 4090378297561. The next prime is 4090378297619. The reversal of 4090378297601 is 1067928730904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3671056000000 + 419322297601 = 1916000^2 + 647551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4090378297601 is a prime.

It is not a weakly prime, because it can be changed into another prime (4090378297631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2045189148800 + 2045189148801.

It is an arithmetic number, because the mean of its divisors is an integer number (2045189148801).

Almost surely, 2^{4090378297601} is an apocalyptic number.

It is an amenable number.

4090378297601 is a deficient number, since it is larger than the sum of its proper divisors (1).

4090378297601 is an equidigital number, since it uses as much as digits as its factorization.

4090378297601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4572288, while the sum is 56.

The spelling of 4090378297601 in words is "four trillion, ninety billion, three hundred seventy-eight million, two hundred ninety-seven thousand, six hundred one".