3520634264221 has 8 divisors (see below), whose sum is σ = 3656278280864. Its totient is φ = 3387434284080.

The previous prime is 3520634264183. The next prime is 3520634264239. The reversal of 3520634264221 is 1224624360253.

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

It is a cyclic number.

It is not a de Polignac number, because 3520634264221 - 2⁹ = 3520634263709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520634274221) 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, 611006190 + ... + 611011951.

It is an arithmetic number, because the mean of its divisors is an integer number (457034785108).

Almost surely, 2^{3520634264221} is an apocalyptic number.

It is an amenable number.

3520634264221 is a deficient number, since it is larger than the sum of its proper divisors (135644016643).

3520634264221 is a wasteful number, since it uses less digits than its factorization.

3520634264221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222018251.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 3520634264221 in words is "three trillion, five hundred twenty billion, six hundred thirty-four million, two hundred sixty-four thousand, two hundred twenty-one".