46431409 has 2 divisors, whose sum is σ = 46431410. Its totient is φ = 46431408.

The previous prime is 46431401. The next prime is 46431433. The reversal of 46431409 is 90413464.

46431409 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., 35521600 + 10909809 = 5960^2 + 3303^2 .

It is a cyclic number.

It is not a de Polignac number, because 46431409 - 2³ = 46431401 is a prime.

It is not a weakly prime, because it can be changed into another prime (46431401) 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, 23215704 + 23215705.

It is an arithmetic number, because the mean of its divisors is an integer number (23215705).

Almost surely, 2^46431409 is an apocalyptic number.

It is an amenable number.

46431409 is a deficient number, since it is larger than the sum of its proper divisors (1).

46431409 is an equidigital number, since it uses as much as digits as its factorization.

46431409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 46431409 is about 6814.0596563282. The cubic root of 46431409 is about 359.4214188711.

The spelling of 46431409 in words is "forty-six million, four hundred thirty-one thousand, four hundred nine".