46658609 has 2 divisors, whose sum is σ = 46658610. Its totient is φ = 46658608.

The previous prime is 46658561. The next prime is 46658611. The reversal of 46658609 is 90685664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46240000 + 418609 = 6800^2 + 647^2 .

It is a cyclic number.

It is not a de Polignac number, because 46658609 - 2¹² = 46654513 is a prime.

Together with 46658611, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46658609.

It is not a weakly prime, because it can be changed into another prime (46658629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23329304 + 23329305.

It is an arithmetic number, because the mean of its divisors is an integer number (23329305).

Almost surely, 2^46658609 is an apocalyptic number.

It is an amenable number.

46658609 is a deficient number, since it is larger than the sum of its proper divisors (1).

46658609 is an equidigital number, since it uses as much as digits as its factorization.

46658609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 46658609 is about 6830.7107243683. The cubic root of 46658609 is about 360.0067102659.

The spelling of 46658609 in words is "forty-six million, six hundred fifty-eight thousand, six hundred nine".