6146936681 has 2 divisors, whose sum is σ = 6146936682. Its totient is φ = 6146936680.

The previous prime is 6146936629. The next prime is 6146936699. The reversal of 6146936681 is 1866396416.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4852376281 + 1294560400 = 69659^2 + 35980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6146936681 is a prime.

It is a super-2 number, since 2×6146936681² = 75569661120446591522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6146936581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3073468340 + 3073468341.

It is an arithmetic number, because the mean of its divisors is an integer number (3073468341).

Almost surely, 2^6146936681 is an apocalyptic number.

It is an amenable number.

6146936681 is a deficient number, since it is larger than the sum of its proper divisors (1).

6146936681 is an equidigital number, since it uses as much as digits as its factorization.

6146936681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 50.

The square root of 6146936681 is about 78402.4022654918. The cubic root of 6146936681 is about 1831.8345524179.

The spelling of 6146936681 in words is "six billion, one hundred forty-six million, nine hundred thirty-six thousand, six hundred eighty-one".