4001354393 has 2 divisors, whose sum is σ = 4001354394. Its totient is φ = 4001354392.

The previous prime is 4001354389. The next prime is 4001354407. The reversal of 4001354393 is 3934531004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2749114624 + 1252239769 = 52432^2 + 35387^2 .

It is a cyclic number.

It is not a de Polignac number, because 4001354393 - 2² = 4001354389 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4001354993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000677196 + 2000677197.

It is an arithmetic number, because the mean of its divisors is an integer number (2000677197).

Almost surely, 2^4001354393 is an apocalyptic number.

It is an amenable number.

4001354393 is a deficient number, since it is larger than the sum of its proper divisors (1).

4001354393 is an equidigital number, since it uses as much as digits as its factorization.

4001354393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 4001354393 is about 63256.2597139603. The cubic root of 4001354393 is about 1587.5801954899.

Adding to 4001354393 its reverse (3934531004), we get a palindrome (7935885397).

The spelling of 4001354393 in words is "four billion, one million, three hundred fifty-four thousand, three hundred ninety-three".