2689480718497 has 4 divisors (see below), whose sum is σ = 2831032335280. Its totient is φ = 2547929101716.

The previous prime is 2689480718447. The next prime is 2689480718531. The reversal of 2689480718497 is 7948170849862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2689480718497 - 2⁷ = 2689480718369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2689480718447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70775808363 + ... + 70775808400.

It is an arithmetic number, because the mean of its divisors is an integer number (707758083820).

Almost surely, 2^{2689480718497} is an apocalyptic number.

It is an amenable number.

2689480718497 is a deficient number, since it is larger than the sum of its proper divisors (141551616783).

2689480718497 is a wasteful number, since it uses less digits than its factorization.

2689480718497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141551616782.

The product of its (nonzero) digits is 390168576, while the sum is 73.

The spelling of 2689480718497 in words is "two trillion, six hundred eighty-nine billion, four hundred eighty million, seven hundred eighteen thousand, four hundred ninety-seven".