6205116989 has 2 divisors, whose sum is σ = 6205116990. Its totient is φ = 6205116988.

The previous prime is 6205116971. The next prime is 6205117099. The reversal of 6205116989 is 9896115026.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4618289764 + 1586827225 = 67958^2 + 39835^2 .

It is a cyclic number.

It is not a de Polignac number, because 6205116989 - 2⁸ = 6205116733 is a prime.

It is a super-2 number, since 2×6205116989² = 77006953694352852242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6205146989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3102558494 + 3102558495.

It is an arithmetic number, because the mean of its divisors is an integer number (3102558495).

Almost surely, 2^6205116989 is an apocalyptic number.

It is an amenable number.

6205116989 is a deficient number, since it is larger than the sum of its proper divisors (1).

6205116989 is an equidigital number, since it uses as much as digits as its factorization.

6205116989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 47.

The square root of 6205116989 is about 78772.5649512570. The cubic root of 6205116989 is about 1837.5958073913.

The spelling of 6205116989 in words is "six billion, two hundred five million, one hundred sixteen thousand, nine hundred eighty-nine".