3678421439 has 8 divisors (see below), whose sum is σ = 4586083968. Its totient is φ = 2866302360.

The previous prime is 3678421433. The next prime is 3678421459. The reversal of 3678421439 is 9341248763.

3678421439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3678421439 - 2⁴ = 3678421423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3678421393 and 3678421402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3678421433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23885777 + ... + 23885930.

It is an arithmetic number, because the mean of its divisors is an integer number (573260496).

Almost surely, 2^3678421439 is an apocalyptic number.

3678421439 is a deficient number, since it is larger than the sum of its proper divisors (907662529).

3678421439 is a wasteful number, since it uses less digits than its factorization.

3678421439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47771725.

The product of its digits is 870912, while the sum is 47.

The square root of 3678421439 is about 60649.9912530909. The cubic root of 3678421439 is about 1543.6677404763.

The spelling of 3678421439 in words is "three billion, six hundred seventy-eight million, four hundred twenty-one thousand, four hundred thirty-nine".