46919409 has 4 divisors (see below), whose sum is σ = 62559216. Its totient is φ = 31279604.

The previous prime is 46919401. The next prime is 46919491. The reversal of 46919409 is 90491964.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 46919409 - 2³ = 46919401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (46919401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7819899 + ... + 7819904.

It is an arithmetic number, because the mean of its divisors is an integer number (15639804).

Almost surely, 2^46919409 is an apocalyptic number.

It is an amenable number.

46919409 is a deficient number, since it is larger than the sum of its proper divisors (15639807).

46919409 is a wasteful number, since it uses less digits than its factorization.

46919409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15639806.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 46919409 is about 6849.7743758463. The cubic root of 46919409 is about 360.6762212797.

The spelling of 46919409 in words is "forty-six million, nine hundred nineteen thousand, four hundred nine".