6747063439 has 2 divisors, whose sum is σ = 6747063440. Its totient is φ = 6747063438.

The previous prime is 6747063397. The next prime is 6747063451. The reversal of 6747063439 is 9343607476.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6747063439 - 2⁷ = 6747063311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6747063392 and 6747063401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6747033439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3373531719 + 3373531720.

It is an arithmetic number, because the mean of its divisors is an integer number (3373531720).

Almost surely, 2^6747063439 is an apocalyptic number.

6747063439 is a deficient number, since it is larger than the sum of its proper divisors (1).

6747063439 is an equidigital number, since it uses as much as digits as its factorization.

6747063439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2286144, while the sum is 49.

The square root of 6747063439 is about 82140.5103405135. The cubic root of 6747063439 is about 1889.6074732363.

The spelling of 6747063439 in words is "six billion, seven hundred forty-seven million, sixty-three thousand, four hundred thirty-nine".