3520071861243 has 8 divisors (see below), whose sum is σ = 5363919026688. Its totient is φ = 2011469634984.

The previous prime is 3520071861239. The next prime is 3520071861281. The reversal of 3520071861243 is 3421681700253.

3520071861243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3520071861243 - 2² = 3520071861239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3520071861195 and 3520071861204.

It is not an unprimeable number, because it can be changed into a prime (3520071861343) 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, 83811234771 + ... + 83811234812.

It is an arithmetic number, because the mean of its divisors is an integer number (670489878336).

Almost surely, 2^{3520071861243} is an apocalyptic number.

3520071861243 is a deficient number, since it is larger than the sum of its proper divisors (1843847165445).

3520071861243 is a wasteful number, since it uses less digits than its factorization.

3520071861243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167622469593.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 3520071861243 in words is "three trillion, five hundred twenty billion, seventy-one million, eight hundred sixty-one thousand, two hundred forty-three".