46539709 has 2 divisors, whose sum is σ = 46539710. Its totient is φ = 46539708.

The previous prime is 46539679. The next prime is 46539733. The reversal of 46539709 is 90793564.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46539684 + 25 = 6822^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 46539709 - 2⁹ = 46539197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46539739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23269854 + 23269855.

It is an arithmetic number, because the mean of its divisors is an integer number (23269855).

Almost surely, 2^46539709 is an apocalyptic number.

It is an amenable number.

46539709 is a deficient number, since it is larger than the sum of its proper divisors (1).

46539709 is an equidigital number, since it uses as much as digits as its factorization.

46539709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 46539709 is about 6822.0018323070. The cubic root of 46539709 is about 359.7006487829.

The spelling of 46539709 in words is "forty-six million, five hundred thirty-nine thousand, seven hundred nine".