3520488349 has 6 divisors (see below), whose sum is σ = 4095262014. Its totient is φ = 3017561400.

The previous prime is 3520488347. The next prime is 3520488383. The reversal of 3520488349 is 9438840253.

It can be written as a sum of positive squares in only one way, i.e., 3518625124 + 1863225 = 59318^2 + 1365^2 .

It is not a de Polignac number, because 3520488349 - 2¹ = 3520488347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3520488299 and 3520488308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520488341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35923302 + ... + 35923399.

It is an arithmetic number, because the mean of its divisors is an integer number (682543669).

Almost surely, 2^3520488349 is an apocalyptic number.

It is an amenable number.

3520488349 is a deficient number, since it is larger than the sum of its proper divisors (574773665).

3520488349 is an equidigital number, since it uses as much as digits as its factorization.

3520488349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71846715 (or 71846708 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The square root of 3520488349 is about 59333.7033143895. The cubic root of 3520488349 is about 1521.2513283255.

The spelling of 3520488349 in words is "three billion, five hundred twenty million, four hundred eighty-eight thousand, three hundred forty-nine".