1906734136361 has 2 divisors, whose sum is σ = 1906734136362. Its totient is φ = 1906734136360.

The previous prime is 1906734136291. The next prime is 1906734136381. The reversal of 1906734136361 is 1636314376091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1896569665600 + 10164470761 = 1377160^2 + 100819^2 .

It is an emirp because it is prime and its reverse (1636314376091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1906734136361 - 2¹⁰ = 1906734135337 is a prime.

It is not a weakly prime, because it can be changed into another prime (1906734136381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 953367068180 + 953367068181.

It is an arithmetic number, because the mean of its divisors is an integer number (953367068181).

Almost surely, 2^{1906734136361} is an apocalyptic number.

It is an amenable number.

1906734136361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1906734136361 is an equidigital number, since it uses as much as digits as its factorization.

1906734136361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 50.

The spelling of 1906734136361 in words is "one trillion, nine hundred six billion, seven hundred thirty-four million, one hundred thirty-six thousand, three hundred sixty-one".