6140446309 has 2 divisors, whose sum is σ = 6140446310. Its totient is φ = 6140446308.

The previous prime is 6140446297. The next prime is 6140446339. The reversal of 6140446309 is 9036440416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3362840100 + 2777606209 = 57990^2 + 52703^2 .

It is a cyclic number.

It is not a de Polignac number, because 6140446309 - 2¹⁵ = 6140413541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6140446339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3070223154 + 3070223155.

It is an arithmetic number, because the mean of its divisors is an integer number (3070223155).

Almost surely, 2^6140446309 is an apocalyptic number.

It is an amenable number.

6140446309 is a deficient number, since it is larger than the sum of its proper divisors (1).

6140446309 is an equidigital number, since it uses as much as digits as its factorization.

6140446309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 6140446309 is about 78360.9999234313. Note that the first 4 decimals coincide. The cubic root of 6140446309 is about 1831.1895983929.

The spelling of 6140446309 in words is "six billion, one hundred forty million, four hundred forty-six thousand, three hundred nine".