3499433639 has 4 divisors (see below), whose sum is σ = 3768620856. Its totient is φ = 3230246424.

The previous prime is 3499433621. The next prime is 3499433671. The reversal of 3499433639 is 9363349943.

3499433639 is digitally balanced in base 2 and base 3, because in such bases 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: 9363349943 = 79 ⋅118523417.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3499433639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3499433239) 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, 134593589 + ... + 134593614.

It is an arithmetic number, because the mean of its divisors is an integer number (942155214).

Almost surely, 2^3499433639 is an apocalyptic number.

3499433639 is a deficient number, since it is larger than the sum of its proper divisors (269187217).

3499433639 is a wasteful number, since it uses less digits than its factorization.

3499433639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269187216.

The product of its digits is 5668704, while the sum is 53.

The square root of 3499433639 is about 59156.0110132521. The cubic root of 3499433639 is about 1518.2125860169.

The spelling of 3499433639 in words is "three billion, four hundred ninety-nine million, four hundred thirty-three thousand, six hundred thirty-nine".