3504449919 has 4 divisors (see below), whose sum is σ = 4672599896. Its totient is φ = 2336299944.

The previous prime is 3504449911. The next prime is 3504449957. The reversal of 3504449919 is 9199444053.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9199444053 = 3 ⋅3066481351.

It is not a de Polignac number, because 3504449919 - 2³ = 3504449911 is a prime.

It is a super-2 number, since 2×3504449919² = 24562338469558213122, which contains 22 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 (3504449911) 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, 584074984 + ... + 584074989.

It is an arithmetic number, because the mean of its divisors is an integer number (1168149974).

Almost surely, 2^3504449919 is an apocalyptic number.

3504449919 is a deficient number, since it is larger than the sum of its proper divisors (1168149977).

3504449919 is a wasteful number, since it uses less digits than its factorization.

3504449919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168149976.

The product of its (nonzero) digits is 699840, while the sum is 48.

The square root of 3504449919 is about 59198.3945643799. The cubic root of 3504449919 is about 1518.9376693830.

The spelling of 3504449919 in words is "three billion, five hundred four million, four hundred forty-nine thousand, nine hundred nineteen".