6206445389 has 2 divisors, whose sum is σ = 6206445390. Its totient is φ = 6206445388.

The previous prime is 6206445383. The next prime is 6206445407. The reversal of 6206445389 is 9835446026.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5322869764 + 883575625 = 72958^2 + 29725^2 .

It is a cyclic number.

It is not a de Polignac number, because 6206445389 - 2¹⁶ = 6206379853 is a prime.

It is a super-2 number, since 2×6206445389² = 77039928733278722642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6206445383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3103222694 + 3103222695.

It is an arithmetic number, because the mean of its divisors is an integer number (3103222695).

Almost surely, 2^6206445389 is an apocalyptic number.

It is an amenable number.

6206445389 is a deficient number, since it is larger than the sum of its proper divisors (1).

6206445389 is an equidigital number, since it uses as much as digits as its factorization.

6206445389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The square root of 6206445389 is about 78780.9963696830. The cubic root of 6206445389 is about 1837.7269297161.

The spelling of 6206445389 in words is "six billion, two hundred six million, four hundred forty-five thousand, three hundred eighty-nine".