6521143452017 has 16 divisors (see below), whose sum is σ = 6591017381760. Its totient is φ = 6451611374208.

The previous prime is 6521143451989. The next prime is 6521143452077. The reversal of 6521143452017 is 7102543411256.

It is a cyclic number.

It is not a de Polignac number, because 6521143452017 - 2¹² = 6521143447921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6521143452077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96422828 + ... + 96490434.

It is an arithmetic number, because the mean of its divisors is an integer number (411938586360).

Almost surely, 2^{6521143452017} is an apocalyptic number.

It is an amenable number.

6521143452017 is a deficient number, since it is larger than the sum of its proper divisors (69873929743).

6521143452017 is a wasteful number, since it uses less digits than its factorization.

6521143452017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70120.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 6521143452017 in words is "six trillion, five hundred twenty-one billion, one hundred forty-three million, four hundred fifty-two thousand, seventeen".