46436909 has 2 divisors, whose sum is σ = 46436910. Its totient is φ = 46436908.

The previous prime is 46436881. The next prime is 46436939. The reversal of 46436909 is 90963464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44689225 + 1747684 = 6685^2 + 1322^2 .

It is a cyclic number.

It is not a de Polignac number, because 46436909 - 2²⁰ = 45388333 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46436939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23218454 + 23218455.

It is an arithmetic number, because the mean of its divisors is an integer number (23218455).

Almost surely, 2^46436909 is an apocalyptic number.

It is an amenable number.

46436909 is a deficient number, since it is larger than the sum of its proper divisors (1).

46436909 is an equidigital number, since it uses as much as digits as its factorization.

46436909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 46436909 is about 6814.4632217072. The cubic root of 46436909 is about 359.4356099815.

It can be divided in two parts, 464 and 36909, that added together give a palindrome (37373).

The spelling of 46436909 in words is "forty-six million, four hundred thirty-six thousand, nine hundred nine".