46637009 has 2 divisors, whose sum is σ = 46637010. Its totient is φ = 46637008.

The previous prime is 46636991. The next prime is 46637023. The reversal of 46637009 is 90073664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46512400 + 124609 = 6820^2 + 353^2 .

It is a cyclic number.

It is not a de Polignac number, because 46637009 - 2⁸ = 46636753 is a prime.

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 46637009.

It is not a weakly prime, because it can be changed into another prime (46637089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23318504 + 23318505.

It is an arithmetic number, because the mean of its divisors is an integer number (23318505).

Almost surely, 2^46637009 is an apocalyptic number.

It is an amenable number.

46637009 is a deficient number, since it is larger than the sum of its proper divisors (1).

46637009 is an equidigital number, since it uses as much as digits as its factorization.

46637009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 46637009 is about 6829.1294467157. The cubic root of 46637009 is about 359.9511482065.

The spelling of 46637009 in words is "forty-six million, six hundred thirty-seven thousand, nine".