35784805009 has 2 divisors, whose sum is σ = 35784805010. Its totient is φ = 35784805008.

The previous prime is 35784804971. The next prime is 35784805031. The reversal of 35784805009 is 90050848753.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33043968400 + 2740836609 = 181780^2 + 52353^2 .

It is a cyclic number.

It is not a de Polignac number, because 35784805009 - 2²⁹ = 35247934097 is a prime.

It is not a weakly prime, because it can be changed into another prime (35784805039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17892402504 + 17892402505.

It is an arithmetic number, because the mean of its divisors is an integer number (17892402505).

Almost surely, 2^35784805009 is an apocalyptic number.

It is an amenable number.

35784805009 is a deficient number, since it is larger than the sum of its proper divisors (1).

35784805009 is an equidigital number, since it uses as much as digits as its factorization.

35784805009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 35784805009 in words is "thirty-five billion, seven hundred eighty-four million, eight hundred five thousand, nine".