2816863401397 has 16 divisors (see below), whose sum is σ = 3066625025280. Its totient is φ = 2576603789568.

The previous prime is 2816863401371. The next prime is 2816863401421. The reversal of 2816863401397 is 7931043686182.

It is a cyclic number.

It is not a de Polignac number, because 2816863401397 - 2¹⁵ = 2816863368629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2816863401337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1966497 + ... + 3082342.

It is an arithmetic number, because the mean of its divisors is an integer number (191664064080).

Almost surely, 2^{2816863401397} is an apocalyptic number.

It is an amenable number.

2816863401397 is a deficient number, since it is larger than the sum of its proper divisors (249761623883).

2816863401397 is a wasteful number, since it uses less digits than its factorization.

2816863401397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5049780.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 2816863401397 in words is "two trillion, eight hundred sixteen billion, eight hundred sixty-three million, four hundred one thousand, three hundred ninety-seven".