3499117409 has 4 divisors (see below), whose sum is σ = 3619776660. Its totient is φ = 3378458160.

The previous prime is 3499117381. The next prime is 3499117423. The reversal of 3499117409 is 9047119943.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1823033809 + 1676083600 = 42697^2 + 40940^2 .

It is a cyclic number.

It is not a de Polignac number, because 3499117409 - 2¹⁶ = 3499051873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3499117469) 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, 60329582 + ... + 60329639.

It is an arithmetic number, because the mean of its divisors is an integer number (904944165).

Almost surely, 2^3499117409 is an apocalyptic number.

It is an amenable number.

3499117409 is a deficient number, since it is larger than the sum of its proper divisors (120659251).

3499117409 is a wasteful number, since it uses less digits than its factorization.

3499117409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120659250.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 3499117409 is about 59153.3381053005. The cubic root of 3499117409 is about 1518.1668530138.

The spelling of 3499117409 in words is "three billion, four hundred ninety-nine million, one hundred seventeen thousand, four hundred nine".