8400286820049 has 8 divisors (see below), whose sum is σ = 11460856436832. Its totient is φ = 5469954208320.

The previous prime is 8400286820021. The next prime is 8400286820063. The reversal of 8400286820049 is 9400286820048.

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

It is not a de Polignac number, because 8400286820049 - 2²⁴ = 8400270042833 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 8400286819983 and 8400286820010.

It is not an unprimeable number, because it can be changed into a prime (8400286820099) 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, 32559251112 + ... + 32559251369.

It is an arithmetic number, because the mean of its divisors is an integer number (1432607054604).

Almost surely, 2^{8400286820049} is an apocalyptic number.

It is an amenable number.

8400286820049 is a deficient number, since it is larger than the sum of its proper divisors (3060569616783).

8400286820049 is a wasteful number, since it uses less digits than its factorization.

8400286820049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65118502527.

The product of its (nonzero) digits is 1769472, while the sum is 51.

Subtracting 8400286820049 from its reverse (9400286820048), we obtain a palindrome (999999999999).

The spelling of 8400286820049 in words is "eight trillion, four hundred billion, two hundred eighty-six million, eight hundred twenty thousand, forty-nine".