3474138639 has 4 divisors (see below), whose sum is σ = 4632184856. Its totient is φ = 2316092424.

The previous prime is 3474138601. The next prime is 3474138641. The reversal of 3474138639 is 9368314743.

3474138639 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 not a de Polignac number, because 3474138639 - 2⁹ = 3474138127 is a prime.

It is a super-3 number, since 3×3474138639³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3474136639) 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, 579023104 + ... + 579023109.

It is an arithmetic number, because the mean of its divisors is an integer number (1158046214).

Almost surely, 2^3474138639 is an apocalyptic number.

3474138639 is a deficient number, since it is larger than the sum of its proper divisors (1158046217).

3474138639 is a wasteful number, since it uses less digits than its factorization.

3474138639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158046216.

The product of its digits is 1306368, while the sum is 48.

The square root of 3474138639 is about 58941.8241913160. The cubic root of 3474138639 is about 1514.5456982868.

The spelling of 3474138639 in words is "three billion, four hundred seventy-four million, one hundred thirty-eight thousand, six hundred thirty-nine".