3524213044985 has 8 divisors (see below), whose sum is σ = 4477823633736. Its totient is φ = 2653525116160.

The previous prime is 3524213044943. The next prime is 3524213044987. The reversal of 3524213044985 is 5894403124253.

It can be written as a sum of positive squares in 4 ways, for example, as 1527802297849 + 1996410747136 = 1236043^2 + 1412944^2 .

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

It is not a de Polignac number, because 3524213044985 - 2¹⁶ = 3524212979449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3524213044987) 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, 20730664886 + ... + 20730665055.

It is an arithmetic number, because the mean of its divisors is an integer number (559727954217).

Almost surely, 2^{3524213044985} is an apocalyptic number.

It is an amenable number.

3524213044985 is a deficient number, since it is larger than the sum of its proper divisors (953610588751).

3524213044985 is a wasteful number, since it uses less digits than its factorization.

3524213044985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41461329963.

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 3524213044985 in words is "three trillion, five hundred twenty-four billion, two hundred thirteen million, forty-four thousand, nine hundred eighty-five".