6266478289 has 2 divisors, whose sum is σ = 6266478290. Its totient is φ = 6266478288.

The previous prime is 6266478277. The next prime is 6266478301. The reversal of 6266478289 is 9828746626.

It is a balanced prime because it is at equal distance from previous prime (6266478277) and next prime (6266478301).

It can be written as a sum of positive squares in only one way, i.e., 3768977664 + 2497500625 = 61392^2 + 49975^2 .

It is a cyclic number.

It is not a de Polignac number, because 6266478289 - 2²³ = 6258089681 is a prime.

It is not a weakly prime, because it can be changed into another prime (6266478209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3133239144 + 3133239145.

It is an arithmetic number, because the mean of its divisors is an integer number (3133239145).

Almost surely, 2^6266478289 is an apocalyptic number.

It is an amenable number.

6266478289 is a deficient number, since it is larger than the sum of its proper divisors (1).

6266478289 is an equidigital number, since it uses as much as digits as its factorization.

6266478289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13934592, while the sum is 58.

The square root of 6266478289 is about 79161.0907517071. The cubic root of 6266478289 is about 1843.6331696474.

The spelling of 6266478289 in words is "six billion, two hundred sixty-six million, four hundred seventy-eight thousand, two hundred eighty-nine".