2862622848661 has 4 divisors (see below), whose sum is σ = 3031012428012. Its totient is φ = 2694233269312.

The previous prime is 2862622848649. The next prime is 2862622848671. The reversal of 2862622848661 is 1668482262682.

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 2400039230436 + 462583618225 = 1549206^2 + 680135^2 .

It is a cyclic number.

It is not a de Polignac number, because 2862622848661 - 2²⁷ = 2862488630933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2862622848661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2862622848671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84194789650 + ... + 84194789683.

It is an arithmetic number, because the mean of its divisors is an integer number (757753107003).

Almost surely, 2^{2862622848661} is an apocalyptic number.

It is an amenable number.

2862622848661 is a deficient number, since it is larger than the sum of its proper divisors (168389579351).

2862622848661 is a wasteful number, since it uses less digits than its factorization.

2862622848661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168389579350.

The product of its digits is 42467328, while the sum is 61.

The spelling of 2862622848661 in words is "two trillion, eight hundred sixty-two billion, six hundred twenty-two million, eight hundred forty-eight thousand, six hundred sixty-one".