2689739463 has 4 divisors (see below), whose sum is σ = 3586319288. Its totient is φ = 1793159640.

The previous prime is 2689739443. The next prime is 2689739509. The reversal of 2689739463 is 3649379862.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2689739463 - 2⁸ = 2689739207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689739413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448289908 + ... + 448289913.

It is an arithmetic number, because the mean of its divisors is an integer number (896579822).

Almost surely, 2^2689739463 is an apocalyptic number.

2689739463 is a deficient number, since it is larger than the sum of its proper divisors (896579825).

2689739463 is an equidigital number, since it uses as much as digits as its factorization.

2689739463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896579824.

The product of its digits is 11757312, while the sum is 57.

The square root of 2689739463 is about 51862.6981847262. The cubic root of 2689739463 is about 1390.7105148965.

The spelling of 2689739463 in words is "two billion, six hundred eighty-nine million, seven hundred thirty-nine thousand, four hundred sixty-three".