46659409 has 2 divisors, whose sum is σ = 46659410. Its totient is φ = 46659408.

The previous prime is 46659401. The next prime is 46659413. The reversal of 46659409 is 90495664.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39753025 + 6906384 = 6305^2 + 2628^2 .

It is a cyclic number.

It is not a de Polignac number, because 46659409 - 2³ = 46659401 is a prime.

It is not a weakly prime, because it can be changed into another prime (46659401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23329704 + 23329705.

It is an arithmetic number, because the mean of its divisors is an integer number (23329705).

Almost surely, 2^46659409 is an apocalyptic number.

It is an amenable number.

46659409 is a deficient number, since it is larger than the sum of its proper divisors (1).

46659409 is an equidigital number, since it uses as much as digits as its factorization.

46659409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 46659409 is about 6830.7692831774. The cubic root of 46659409 is about 360.0087677906.

The spelling of 46659409 in words is "forty-six million, six hundred fifty-nine thousand, four hundred nine".