3521316712 has 8 divisors (see below), whose sum is σ = 6602468850. Its totient is φ = 1760658352.

The previous prime is 3521316697. The next prime is 3521316713. The reversal of 3521316712 is 2176131253.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2987059716 + 534256996 = 54654^2 + 23114^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (3521316713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220082287 + ... + 220082302.

Almost surely, 2^3521316712 is an apocalyptic number.

It is an amenable number.

3521316712 is a deficient number, since it is larger than the sum of its proper divisors (3081152138).

3521316712 is a wasteful number, since it uses less digits than its factorization.

3521316712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440164595 (or 440164591 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 3521316712 is about 59340.6834473618. The cubic root of 3521316712 is about 1521.3706346419.

Adding to 3521316712 its reverse (2176131253), we get a palindrome (5697447965).

The spelling of 3521316712 in words is "three billion, five hundred twenty-one million, three hundred sixteen thousand, seven hundred twelve".