3521574312244 has 24 divisors (see below), whose sum is σ = 6525712899720. Its totient is φ = 1657098971136.

The previous prime is 3521574312241. The next prime is 3521574312257. The reversal of 3521574312244 is 4422134751253.

It can be written as a sum of positive squares in 4 ways, for example, as 1229947540900 + 2291626771344 = 1109030^2 + 1513812^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3521574312244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3521574312241) 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, 743749 + ... + 2756140.

It is an arithmetic number, because the mean of its divisors is an integer number (271904704155).

Almost surely, 2^{3521574312244} is an apocalyptic number.

3521574312244 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3521574312244 is a deficient number, since it is larger than the sum of its proper divisors (3004138587476).

3521574312244 is a wasteful number, since it uses less digits than its factorization.

3521574312244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514707 (or 3514705 counting only the distinct ones).

The product of its digits is 806400, while the sum is 43.

The spelling of 3521574312244 in words is "three trillion, five hundred twenty-one billion, five hundred seventy-four million, three hundred twelve thousand, two hundred forty-four".