6289450549 has 2 divisors, whose sum is σ = 6289450550. Its totient is φ = 6289450548.

The previous prime is 6289450537. The next prime is 6289450589. The reversal of 6289450549 is 9450549826.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6256019025 + 33431524 = 79095^2 + 5782^2 .

It is a cyclic number.

It is not a de Polignac number, because 6289450549 - 2²⁵ = 6255896117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6289450496 and 6289450505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6289450589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3144725274 + 3144725275.

It is an arithmetic number, because the mean of its divisors is an integer number (3144725275).

Almost surely, 2^6289450549 is an apocalyptic number.

It is an amenable number.

6289450549 is a deficient number, since it is larger than the sum of its proper divisors (1).

6289450549 is an equidigital number, since it uses as much as digits as its factorization.

6289450549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3110400, while the sum is 52.

The square root of 6289450549 is about 79306.0561937107. The cubic root of 6289450549 is about 1845.8832783749.

The spelling of 6289450549 in words is "six billion, two hundred eighty-nine million, four hundred fifty thousand, five hundred forty-nine".