6244987069 has 2 divisors, whose sum is σ = 6244987070. Its totient is φ = 6244987068.

The previous prime is 6244987027. The next prime is 6244987087. The reversal of 6244987069 is 9607894426.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5347265625 + 897721444 = 73125^2 + 29962^2 .

It is a cyclic number.

It is not a de Polignac number, because 6244987069 - 2¹⁷ = 6244855997 is a prime.

It is a super-2 number, since 2×6244987069² = 77999726983954421522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6244987769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3122493534 + 3122493535.

It is an arithmetic number, because the mean of its divisors is an integer number (3122493535).

Almost surely, 2^6244987069 is an apocalyptic number.

It is an amenable number.

6244987069 is a deficient number, since it is larger than the sum of its proper divisors (1).

6244987069 is an equidigital number, since it uses as much as digits as its factorization.

6244987069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The square root of 6244987069 is about 79025.2305849214. The cubic root of 6244987069 is about 1841.5231430432.

The spelling of 6244987069 in words is "six billion, two hundred forty-four million, nine hundred eighty-seven thousand, sixty-nine".