35047121849 has 2 divisors, whose sum is σ = 35047121850. Its totient is φ = 35047121848.

The previous prime is 35047121819. The next prime is 35047121869. The reversal of 35047121849 is 94812174053.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32600830249 + 2446291600 = 180557^2 + 49460^2 .

It is a cyclic number.

It is not a de Polignac number, because 35047121849 - 2¹² = 35047117753 is a prime.

It is not a weakly prime, because it can be changed into another prime (35047121819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17523560924 + 17523560925.

It is an arithmetic number, because the mean of its divisors is an integer number (17523560925).

Almost surely, 2^35047121849 is an apocalyptic number.

It is an amenable number.

35047121849 is a deficient number, since it is larger than the sum of its proper divisors (1).

35047121849 is an equidigital number, since it uses as much as digits as its factorization.

35047121849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 35047121849 in words is "thirty-five billion, forty-seven million, one hundred twenty-one thousand, eight hundred forty-nine".