3498743809 has 8 divisors (see below), whose sum is σ = 4017696480. Its totient is φ = 3013272000.

The previous prime is 3498743767. The next prime is 3498743821. The reversal of 3498743809 is 9083478943.

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 3498743809 - 2⁷ = 3498743681 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3498743809.

It is not an unprimeable number, because it can be changed into a prime (3498743879) 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, 8369992 + ... + 8370409.

It is an arithmetic number, because the mean of its divisors is an integer number (502212060).

Almost surely, 2^3498743809 is an apocalyptic number.

It is an amenable number.

3498743809 is a deficient number, since it is larger than the sum of its proper divisors (518952671).

3498743809 is a wasteful number, since it uses less digits than its factorization.

3498743809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16740431.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The square root of 3498743809 is about 59150.1801265220. The cubic root of 3498743809 is about 1518.1128196431.

The spelling of 3498743809 in words is "three billion, four hundred ninety-eight million, seven hundred forty-three thousand, eight hundred nine".