2466667788889 has 4 divisors (see below), whose sum is σ = 2533334485924. Its totient is φ = 2400001091856.

The previous prime is 2466667788841. The next prime is 2466667788899. The reversal of 2466667788889 is 9888877666642.

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 2337024585289 + 129643203600 = 1528733^2 + 360060^2 .

It is a cyclic number.

It is not a de Polignac number, because 2466667788889 - 2¹³ = 2466667780697 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2466667788829) 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 3 ways as a sum of consecutive naturals, for example, 33333348462 + ... + 33333348535.

It is an arithmetic number, because the mean of its divisors is an integer number (633333621481).

Almost surely, 2^{2466667788889} is an apocalyptic number.

It is an amenable number.

2466667788889 is a deficient number, since it is larger than the sum of its proper divisors (66666697035).

2466667788889 is an equidigital number, since it uses as much as digits as its factorization.

2466667788889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66666697034.

The product of its digits is 18728091648, while the sum is 85.

The spelling of 2466667788889 in words is "two trillion, four hundred sixty-six billion, six hundred sixty-seven million, seven hundred eighty-eight thousand, eight hundred eighty-nine".