46958909 has 2 divisors, whose sum is σ = 46958910. Its totient is φ = 46958908.

The previous prime is 46958819. The next prime is 46958911. The reversal of 46958909 is 90985964.

46958909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38167684 + 8791225 = 6178^2 + 2965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46958909 is a prime.

It is a Sophie Germain prime.

Together with 46958911, it forms a pair of twin primes.

It is a Chen 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 (46958209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23479454 + 23479455.

It is an arithmetic number, because the mean of its divisors is an integer number (23479455).

Almost surely, 2^46958909 is an apocalyptic number.

It is an amenable number.

46958909 is a deficient number, since it is larger than the sum of its proper divisors (1).

46958909 is an equidigital number, since it uses as much as digits as its factorization.

46958909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 46958909 is about 6852.6570759086. The cubic root of 46958909 is about 360.7774069436. Note that the first 3 decimals are identical.

The spelling of 46958909 in words is "forty-six million, nine hundred fifty-eight thousand, nine hundred nine".