2689890313 has 4 divisors (see below), whose sum is σ = 2934425808. Its totient is φ = 2445354820.

The previous prime is 2689890271. The next prime is 2689890347. The reversal of 2689890313 is 3130989862.

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 2689890313 - 2⁹ = 2689889801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2689890373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122267731 + ... + 122267752.

It is an arithmetic number, because the mean of its divisors is an integer number (733606452).

Almost surely, 2^2689890313 is an apocalyptic number.

It is an amenable number.

2689890313 is a deficient number, since it is larger than the sum of its proper divisors (244535495).

2689890313 is a wasteful number, since it uses less digits than its factorization.

2689890313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244535494.

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 2689890313 is about 51864.1524851221. The cubic root of 2689890313 is about 1390.7365130476.

The spelling of 2689890313 in words is "two billion, six hundred eighty-nine million, eight hundred ninety thousand, three hundred thirteen".