3520526243761 has 4 divisors (see below), whose sum is σ = 3560082718500. Its totient is φ = 3480969769024.

The previous prime is 3520526243699. The next prime is 3520526243777. The reversal of 3520526243761 is 1673426250253.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 381849843600 + 3138676400161 = 617940^2 + 1771631^2 .

It is a cyclic number.

It is not a de Polignac number, because 3520526243761 - 2⁹ = 3520526243249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3520526241761) 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, 19778237236 + ... + 19778237413.

It is an arithmetic number, because the mean of its divisors is an integer number (890020679625).

Almost surely, 2^{3520526243761} is an apocalyptic number.

It is an amenable number.

3520526243761 is a deficient number, since it is larger than the sum of its proper divisors (39556474739).

3520526243761 is an equidigital number, since it uses as much as digits as its factorization.

3520526243761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39556474738.

The product of its (nonzero) digits is 1814400, while the sum is 46.

The spelling of 3520526243761 in words is "three trillion, five hundred twenty billion, five hundred twenty-six million, two hundred forty-three thousand, seven hundred sixty-one".