6743420357 has 2 divisors, whose sum is σ = 6743420358. Its totient is φ = 6743420356.

The previous prime is 6743420291. The next prime is 6743420371. The reversal of 6743420357 is 7530243476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4985630881 + 1757789476 = 70609^2 + 41926^2 .

It is a cyclic number.

It is not a de Polignac number, because 6743420357 - 2²⁰ = 6742371781 is a prime.

It is a super-2 number, since 2×6743420357² = 90947436222404014898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6743420377) 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 as a sum of consecutive naturals, namely, 3371710178 + 3371710179.

It is an arithmetic number, because the mean of its divisors is an integer number (3371710179).

Almost surely, 2^6743420357 is an apocalyptic number.

It is an amenable number.

6743420357 is a deficient number, since it is larger than the sum of its proper divisors (1).

6743420357 is an equidigital number, since it uses as much as digits as its factorization.

6743420357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 41.

The square root of 6743420357 is about 82118.3314309296. The cubic root of 6743420357 is about 1889.2673136784.

The spelling of 6743420357 in words is "six billion, seven hundred forty-three million, four hundred twenty thousand, three hundred fifty-seven".