3642394443 has 4 divisors (see below), whose sum is σ = 4856525928. Its totient is φ = 2428262960.

The previous prime is 3642394433. The next prime is 3642394453. The reversal of 3642394443 is 3444932463.

3642394443 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.

It is an interprime number because it is at equal distance from previous prime (3642394433) and next prime (3642394453).

It is a cyclic number.

It is not a de Polignac number, because 3642394443 - 2²⁴ = 3625617227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3642394395 and 3642394404.

It is not an unprimeable number, because it can be changed into a prime (3642394423) 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, 607065738 + ... + 607065743.

It is an arithmetic number, because the mean of its divisors is an integer number (1214131482).

Almost surely, 2^3642394443 is an apocalyptic number.

3642394443 is a deficient number, since it is larger than the sum of its proper divisors (1214131485).

3642394443 is a wasteful number, since it uses less digits than its factorization.

3642394443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214131484.

The product of its digits is 746496, while the sum is 42.

The square root of 3642394443 is about 60352.2530068265. The cubic root of 3642394443 is about 1538.6115617335.

The spelling of 3642394443 in words is "three billion, six hundred forty-two million, three hundred ninety-four thousand, four hundred forty-three".