6774542407 has 2 divisors, whose sum is σ = 6774542408. Its totient is φ = 6774542406.

The previous prime is 6774542399. The next prime is 6774542431. The reversal of 6774542407 is 7042454776.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6774542407 - 2³ = 6774542399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6774542507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3387271203 + 3387271204.

It is an arithmetic number, because the mean of its divisors is an integer number (3387271204).

Almost surely, 2^6774542407 is an apocalyptic number.

6774542407 is a deficient number, since it is larger than the sum of its proper divisors (1).

6774542407 is an equidigital number, since it uses as much as digits as its factorization.

6774542407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1317120, while the sum is 46.

The square root of 6774542407 is about 82307.6084393174. The cubic root of 6774542407 is about 1892.1692855656.

The spelling of 6774542407 in words is "six billion, seven hundred seventy-four million, five hundred forty-two thousand, four hundred seven".