3693959393 has 4 divisors (see below), whose sum is σ = 3911251140. Its totient is φ = 3476667648.

The previous prime is 3693959377. The next prime is 3693959429. The reversal of 3693959393 is 3939593963.

3693959393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3939593963 = 1039 ⋅3791717.

It can be written as a sum of positive squares in 2 ways, for example, as 3207183424 + 486775969 = 56632^2 + 22063^2 .

It is a cyclic number.

It is not a de Polignac number, because 3693959393 - 2⁴ = 3693959377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3693959693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108645848 + ... + 108645881.

It is an arithmetic number, because the mean of its divisors is an integer number (977812785).

Almost surely, 2^3693959393 is an apocalyptic number.

It is an amenable number.

3693959393 is a deficient number, since it is larger than the sum of its proper divisors (217291747).

3693959393 is a wasteful number, since it uses less digits than its factorization.

3693959393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217291746.

The product of its digits is 15943230, while the sum is 59.

The square root of 3693959393 is about 60777.9515367209. The cubic root of 3693959393 is about 1545.8382136551.

It can be divided in two parts, 3 and 693959393, that added together give a palindrome (693959396).

The spelling of 3693959393 in words is "three billion, six hundred ninety-three million, nine hundred fifty-nine thousand, three hundred ninety-three".