1394041693 has 16 divisors (see below), whose sum is σ = 1538675712. Its totient is φ = 1252440000.

The previous prime is 1394041679. The next prime is 1394041709. The reversal of 1394041693 is 3961404931.

It is a cyclic number.

It is not a de Polignac number, because 1394041693 - 2¹⁷ = 1393910621 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 (1394041643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 946948 + ... + 948418.

It is an arithmetic number, because the mean of its divisors is an integer number (96167232).

Almost surely, 2^1394041693 is an apocalyptic number.

It is an amenable number.

1394041693 is a deficient number, since it is larger than the sum of its proper divisors (144634019).

1394041693 is a wasteful number, since it uses less digits than its factorization.

1394041693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 1394041693 is about 37336.8677448979. The cubic root of 1394041693 is about 1117.0996633815.

The spelling of 1394041693 in words is "one billion, three hundred ninety-four million, forty-one thousand, six hundred ninety-three".