6547146943 has 2 divisors, whose sum is σ = 6547146944. Its totient is φ = 6547146942.

The previous prime is 6547146871. The next prime is 6547146967. The reversal of 6547146943 is 3496417456.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6547146943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6547146143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3273573471 + 3273573472.

It is an arithmetic number, because the mean of its divisors is an integer number (3273573472).

Almost surely, 2^6547146943 is an apocalyptic number.

6547146943 is a deficient number, since it is larger than the sum of its proper divisors (1).

6547146943 is an equidigital number, since it uses as much as digits as its factorization.

6547146943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 49.

The square root of 6547146943 is about 80914.4421163490. The cubic root of 6547146943 is about 1870.7569302672.

The spelling of 6547146943 in words is "six billion, five hundred forty-seven million, one hundred forty-six thousand, nine hundred forty-three".