2892911643217 has 4 divisors (see below), whose sum is σ = 2892919550116. Its totient is φ = 2892903736320.

The previous prime is 2892911643211. The next prime is 2892911643233. The reversal of 2892911643217 is 7123461192982.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 903277267281 + 1989634375936 = 950409^2 + 1410544^2 .

It is a cyclic number.

It is not a de Polignac number, because 2892911643217 - 2³⁵ = 2858551904849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2892911643211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3376584 + ... + 4145737.

It is an arithmetic number, because the mean of its divisors is an integer number (723229887529).

Almost surely, 2^{2892911643217} is an apocalyptic number.

It is an amenable number.

2892911643217 is a deficient number, since it is larger than the sum of its proper divisors (7906899).

2892911643217 is an equidigital number, since it uses as much as digits as its factorization.

2892911643217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7906898.

The product of its digits is 2612736, while the sum is 55.

The spelling of 2892911643217 in words is "two trillion, eight hundred ninety-two billion, nine hundred eleven million, six hundred forty-three thousand, two hundred seventeen".