6786742431 has 32 divisors (see below), whose sum is σ = 10956487680. Its totient is φ = 3647863296.

The previous prime is 6786742351. The next prime is 6786742441. The reversal of 6786742431 is 1342476876.

It is a happy number.

It is not a de Polignac number, because 6786742431 - 2¹⁰ = 6786741407 is a prime.

It is a super-2 number, since 2×6786742431² = 92119745649471579522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6786742441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 740505 + ... + 749613.

It is an arithmetic number, because the mean of its divisors is an integer number (342390240).

Almost surely, 2^6786742431 is an apocalyptic number.

6786742431 is a deficient number, since it is larger than the sum of its proper divisors (4169745249).

6786742431 is a wasteful number, since it uses less digits than its factorization.

6786742431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11223.

The product of its digits is 1354752, while the sum is 48.

The square root of 6786742431 is about 82381.6874736127. The cubic root of 6786742431 is about 1893.3044504131.

The spelling of 6786742431 in words is "six billion, seven hundred eighty-six million, seven hundred forty-two thousand, four hundred thirty-one".