4000335397 has 2 divisors, whose sum is σ = 4000335398. Its totient is φ = 4000335396.

The previous prime is 4000335379. The next prime is 4000335413. The reversal of 4000335397 is 7935330004.

Together with previous prime (4000335379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3193832196 + 806503201 = 56514^2 + 28399^2 .

It is a cyclic number.

It is not a de Polignac number, because 4000335397 - 2²³ = 3991946789 is a prime.

It is a super-2 number, since 2×4000335397² = 32005366576982295218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4000335377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000167698 + 2000167699.

It is an arithmetic number, because the mean of its divisors is an integer number (2000167699).

Almost surely, 2^4000335397 is an apocalyptic number.

It is an amenable number.

4000335397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000335397 is an equidigital number, since it uses as much as digits as its factorization.

4000335397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 4000335397 is about 63248.2046938883. The cubic root of 4000335397 is about 1587.4454181907.

The spelling of 4000335397 in words is "four billion, three hundred thirty-five thousand, three hundred ninety-seven".