6140777243 has 2 divisors, whose sum is σ = 6140777244. Its totient is φ = 6140777242.

The previous prime is 6140777191. The next prime is 6140777297. The reversal of 6140777243 is 3427770416.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6140777243 - 2¹⁰ = 6140776219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6140777243.

It is not a weakly prime, because it can be changed into another prime (6140777543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3070388621 + 3070388622.

It is an arithmetic number, because the mean of its divisors is an integer number (3070388622).

Almost surely, 2^6140777243 is an apocalyptic number.

6140777243 is a deficient number, since it is larger than the sum of its proper divisors (1).

6140777243 is an equidigital number, since it uses as much as digits as its factorization.

6140777243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 197568, while the sum is 41.

The square root of 6140777243 is about 78363.1114938655. Note that the first 3 decimals coincide. The cubic root of 6140777243 is about 1831.2224945909. Note that the first 3 decimals are identical.

The spelling of 6140777243 in words is "six billion, one hundred forty million, seven hundred seventy-seven thousand, two hundred forty-three".