2289929447 has 12 divisors (see below), whose sum is σ = 2507221080. Its totient is φ = 2079084960.

The previous prime is 2289929431. The next prime is 2289929489. The reversal of 2289929447 is 7449299822.

It is not a de Polignac number, because 2289929447 - 2⁴ = 2289929431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2289929392 and 2289929401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2289929947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24704 + ... + 72042.

It is an arithmetic number, because the mean of its divisors is an integer number (208935090).

Almost surely, 2^2289929447 is an apocalyptic number.

2289929447 is a deficient number, since it is larger than the sum of its proper divisors (217291633).

2289929447 is an equidigital number, since it uses as much as digits as its factorization.

2289929447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47474 (or 47413 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 56.

The square root of 2289929447 is about 47853.2072801813. The cubic root of 2289929447 is about 1318.0767536277.

The spelling of 2289929447 in words is "two billion, two hundred eighty-nine million, nine hundred twenty-nine thousand, four hundred forty-seven".