46810409 has 2 divisors, whose sum is σ = 46810410. Its totient is φ = 46810408.

The previous prime is 46810391. The next prime is 46810411. The reversal of 46810409 is 90401864.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29463184 + 17347225 = 5428^2 + 4165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46810409 is a prime.

Together with 46810411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (46810429) 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, 23405204 + 23405205.

It is an arithmetic number, because the mean of its divisors is an integer number (23405205).

Almost surely, 2^46810409 is an apocalyptic number.

It is an amenable number.

46810409 is a deficient number, since it is larger than the sum of its proper divisors (1).

46810409 is an equidigital number, since it uses as much as digits as its factorization.

46810409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 46810409 is about 6841.8132830413. The cubic root of 46810409 is about 360.3967051764.

The spelling of 46810409 in words is "forty-six million, eight hundred ten thousand, four hundred nine".