3520644434 has 8 divisors (see below), whose sum is σ = 5294270028. Its totient is φ = 1755887760.

The previous prime is 3520644383. The next prime is 3520644443. The reversal of 3520644434 is 4344460253.

It can be written as a sum of positive squares in 2 ways, for example, as 3520642225 + 2209 = 59335^2 + 47^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3520644394 and 3520644403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2216237 + ... + 2217824.

Almost surely, 2^3520644434 is an apocalyptic number.

3520644434 is a deficient number, since it is larger than the sum of its proper divisors (1773625594).

3520644434 is a wasteful number, since it uses less digits than its factorization.

3520644434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4434460.

The product of its (nonzero) digits is 138240, while the sum is 35.

The square root of 3520644434 is about 59335.0186146427. The cubic root of 3520644434 is about 1521.2738101501.

The spelling of 3520644434 in words is "three billion, five hundred twenty million, six hundred forty-four thousand, four hundred thirty-four".