3520507340657 has 8 divisors (see below), whose sum is σ = 3555360681600. Its totient is φ = 3485666954880.

The previous prime is 3520507340639. The next prime is 3520507340671. The reversal of 3520507340657 is 7560437050253.

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 3520507340657 - 2¹⁰ = 3520507339633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3520507340617) 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, 2692157 + ... + 3780042.

It is an arithmetic number, because the mean of its divisors is an integer number (444420085200).

Almost surely, 2^{3520507340657} is an apocalyptic number.

It is an amenable number.

3520507340657 is a deficient number, since it is larger than the sum of its proper divisors (34853340943).

3520507340657 is a wasteful number, since it uses less digits than its factorization.

3520507340657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6477583.

The product of its (nonzero) digits is 2646000, while the sum is 47.

The spelling of 3520507340657 in words is "three trillion, five hundred twenty billion, five hundred seven million, three hundred forty thousand, six hundred fifty-seven".