5408219639 has 4 divisors (see below), whose sum is σ = 5726350224. Its totient is φ = 5090089056.

The previous prime is 5408219627. The next prime is 5408219647. The reversal of 5408219639 is 9369128045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9369128045 = 5 ⋅1873825609.

It is a cyclic number.

It is not a de Polignac number, because 5408219639 - 2²⁴ = 5391442423 is a prime.

It is a super-3 number, since 3×5408219639³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5408219593 and 5408219602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5408219039) 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, 159065267 + ... + 159065300.

It is an arithmetic number, because the mean of its divisors is an integer number (1431587556).

Almost surely, 2^5408219639 is an apocalyptic number.

5408219639 is a deficient number, since it is larger than the sum of its proper divisors (318130585).

5408219639 is a wasteful number, since it uses less digits than its factorization.

5408219639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318130584.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 5408219639 is about 73540.5985765686. The cubic root of 5408219639 is about 1755.3003535150.

The spelling of 5408219639 in words is "five billion, four hundred eight million, two hundred nineteen thousand, six hundred thirty-nine".