2689485247 has 2 divisors, whose sum is σ = 2689485248. Its totient is φ = 2689485246.

The previous prime is 2689485229. The next prime is 2689485251. The reversal of 2689485247 is 7425849862.

2689485247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2689485247 is a prime.

It is a super-3 number, since 3×2689485247³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2689482247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1344742623 + 1344742624.

It is an arithmetic number, because the mean of its divisors is an integer number (1344742624).

Almost surely, 2^2689485247 is an apocalyptic number.

2689485247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2689485247 is an equidigital number, since it uses as much as digits as its factorization.

2689485247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7741440, while the sum is 55.

The square root of 2689485247 is about 51860.2472709107. The cubic root of 2689485247 is about 1390.6666999957. Note that the first 4 decimals are identical.

The spelling of 2689485247 in words is "two billion, six hundred eighty-nine million, four hundred eighty-five thousand, two hundred forty-seven".