6395993741 has 2 divisors, whose sum is σ = 6395993742. Its totient is φ = 6395993740.

The previous prime is 6395993711. The next prime is 6395993831. The reversal of 6395993741 is 1473995936.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5531045641 + 864948100 = 74371^2 + 29410^2 .

It is a cyclic number.

It is not a de Polignac number, because 6395993741 - 2¹⁸ = 6395731597 is a prime.

It is a super-2 number, since 2×6395993741² = 81817471869822350162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6395993711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3197996870 + 3197996871.

It is an arithmetic number, because the mean of its divisors is an integer number (3197996871).

Almost surely, 2^6395993741 is an apocalyptic number.

It is an amenable number.

6395993741 is a deficient number, since it is larger than the sum of its proper divisors (1).

6395993741 is an equidigital number, since it uses as much as digits as its factorization.

6395993741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5511240, while the sum is 56.

The square root of 6395993741 is about 79974.9569615389. The cubic root of 6395993741 is about 1856.2480482682.

The spelling of 6395993741 in words is "six billion, three hundred ninety-five million, nine hundred ninety-three thousand, seven hundred forty-one".