8195731937 has 2 divisors, whose sum is σ = 8195731938. Its totient is φ = 8195731936.

The previous prime is 8195731891. The next prime is 8195731967. The reversal of 8195731937 is 7391375918.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4287106576 + 3908625361 = 65476^2 + 62519^2 .

It is a cyclic number.

It is not a de Polignac number, because 8195731937 - 2¹⁴ = 8195715553 is a prime.

It is not a weakly prime, because it can be changed into another prime (8195731967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4097865968 + 4097865969.

It is an arithmetic number, because the mean of its divisors is an integer number (4097865969).

Almost surely, 2^8195731937 is an apocalyptic number.

It is an amenable number.

8195731937 is a deficient number, since it is larger than the sum of its proper divisors (1).

8195731937 is an equidigital number, since it uses as much as digits as its factorization.

8195731937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1428840, while the sum is 53.

The square root of 8195731937 is about 90530.2818784963. The cubic root of 8195731937 is about 2016.1797496339.

The spelling of 8195731937 in words is "eight billion, one hundred ninety-five million, seven hundred thirty-one thousand, nine hundred thirty-seven".