4034040397 has 2 divisors, whose sum is σ = 4034040398. Its totient is φ = 4034040396.

The previous prime is 4034040391. The next prime is 4034040427. The reversal of 4034040397 is 7930404304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3292349641 + 741690756 = 57379^2 + 27234^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4034040397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4034040391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2017020198 + 2017020199.

It is an arithmetic number, because the mean of its divisors is an integer number (2017020199).

Almost surely, 2^4034040397 is an apocalyptic number.

It is an amenable number.

4034040397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4034040397 is an equidigital number, since it uses as much as digits as its factorization.

4034040397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 4034040397 is about 63514.0960496172. The cubic root of 4034040397 is about 1591.8913185837.

The spelling of 4034040397 in words is "four billion, thirty-four million, forty thousand, three hundred ninety-seven".