6247199089 has 4 divisors (see below), whose sum is σ = 6286990324. Its totient is φ = 6207407856.

The previous prime is 6247199087. The next prime is 6247199099. The reversal of 6247199089 is 9809917426.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3062515600 + 3184683489 = 55340^2 + 56433^2 .

It is a cyclic number.

It is not a de Polignac number, because 6247199089 - 2¹ = 6247199087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6247199087) 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 3 ways as a sum of consecutive naturals, for example, 19895382 + ... + 19895695.

It is an arithmetic number, because the mean of its divisors is an integer number (1571747581).

Almost surely, 2^6247199089 is an apocalyptic number.

It is an amenable number.

6247199089 is a deficient number, since it is larger than the sum of its proper divisors (39791235).

6247199089 is a wasteful number, since it uses less digits than its factorization.

6247199089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39791234.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The square root of 6247199089 is about 79039.2250025264. The cubic root of 6247199089 is about 1841.7405443561.

The spelling of 6247199089 in words is "six billion, two hundred forty-seven million, one hundred ninety-nine thousand, eighty-nine".