4052393391 has 24 divisors (see below), whose sum is σ = 5655526576. Its totient is φ = 2580842880.

The previous prime is 4052393381. The next prime is 4052393417. The reversal of 4052393391 is 1933932504.

It is not a de Polignac number, because 4052393391 - 2⁶ = 4052393327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4052393311) 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 in 23 ways as a sum of consecutive naturals, for example, 2095461 + ... + 2097393.

Almost surely, 2^4052393391 is an apocalyptic number.

4052393391 is a deficient number, since it is larger than the sum of its proper divisors (1603133185).

4052393391 is a wasteful number, since it uses less digits than its factorization.

4052393391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303 (or 3280 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 39.

The square root of 4052393391 is about 63658.4117850893. The cubic root of 4052393391 is about 1594.3017866890.

The spelling of 4052393391 in words is "four billion, fifty-two million, three hundred ninety-three thousand, three hundred ninety-one".