46938509 has 2 divisors, whose sum is σ = 46938510. Its totient is φ = 46938508.

The previous prime is 46938503. The next prime is 46938527. The reversal of 46938509 is 90583964.

46938509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27269284 + 19669225 = 5222^2 + 4435^2 .

It is a cyclic number.

It is not a de Polignac number, because 46938509 - 2¹² = 46934413 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 46938509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46938503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23469254 + 23469255.

It is an arithmetic number, because the mean of its divisors is an integer number (23469255).

Almost surely, 2^46938509 is an apocalyptic number.

It is an amenable number.

46938509 is a deficient number, since it is larger than the sum of its proper divisors (1).

46938509 is an equidigital number, since it uses as much as digits as its factorization.

46938509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 46938509 is about 6851.1684404925. The cubic root of 46938509 is about 360.7251561193.

The spelling of 46938509 in words is "forty-six million, nine hundred thirty-eight thousand, five hundred nine".