3520435412643 has 16 divisors (see below), whose sum is σ = 4764070458240. Its totient is φ = 2311880098176.

The previous prime is 3520435412567. The next prime is 3520435412653. The reversal of 3520435412643 is 3462145340253.

It is not a de Polignac number, because 3520435412643 - 2²⁰ = 3520434364067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3520435412595 and 3520435412604.

It is not an unprimeable number, because it can be changed into a prime (3520435412653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11463643 + ... + 11766731.

It is an arithmetic number, because the mean of its divisors is an integer number (297754403640).

Almost surely, 2^{3520435412643} is an apocalyptic number.

3520435412643 is a deficient number, since it is larger than the sum of its proper divisors (1243635045597).

3520435412643 is a wasteful number, since it uses less digits than its factorization.

3520435412643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360946.

The product of its (nonzero) digits is 1036800, while the sum is 42.

The spelling of 3520435412643 in words is "three trillion, five hundred twenty billion, four hundred thirty-five million, four hundred twelve thousand, six hundred forty-three".