6349773161 has 2 divisors, whose sum is σ = 6349773162. Its totient is φ = 6349773160.

The previous prime is 6349773127. The next prime is 6349773169. The reversal of 6349773161 is 1613779436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3599400025 + 2750373136 = 59995^2 + 52444^2 .

It is a cyclic number.

It is not a de Polignac number, because 6349773161 - 2¹⁰ = 6349772137 is a prime.

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 (6349773169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3174886580 + 3174886581.

It is an arithmetic number, because the mean of its divisors is an integer number (3174886581).

Almost surely, 2^6349773161 is an apocalyptic number.

It is an amenable number.

6349773161 is a deficient number, since it is larger than the sum of its proper divisors (1).

6349773161 is an equidigital number, since it uses as much as digits as its factorization.

6349773161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 47.

The square root of 6349773161 is about 79685.4639253609. The cubic root of 6349773161 is about 1851.7658484897.

The spelling of 6349773161 in words is "six billion, three hundred forty-nine million, seven hundred seventy-three thousand, one hundred sixty-one".