2670954218689 has 2 divisors, whose sum is σ = 2670954218690. Its totient is φ = 2670954218688.

The previous prime is 2670954218687. The next prime is 2670954218729. The reversal of 2670954218689 is 9868124590762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2094121563664 + 576832655025 = 1447108^2 + 759495^2 .

It is a cyclic number.

It is not a de Polignac number, because 2670954218689 - 2¹ = 2670954218687 is a prime.

Together with 2670954218687, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2670954218683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1335477109344 + 1335477109345.

It is an arithmetic number, because the mean of its divisors is an integer number (1335477109345).

Almost surely, 2^{2670954218689} is an apocalyptic number.

It is an amenable number.

2670954218689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2670954218689 is an equidigital number, since it uses as much as digits as its factorization.

2670954218689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104509440, while the sum is 67.

The spelling of 2670954218689 in words is "two trillion, six hundred seventy billion, nine hundred fifty-four million, two hundred eighteen thousand, six hundred eighty-nine".