46644448909 has 4 divisors (see below), whose sum is σ = 46664291520. Its totient is φ = 46624606300.

The previous prime is 46644448849. The next prime is 46644448919. The reversal of 46644448909 is 90984444664.

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 46644448909 - 2²¹ = 46642351757 is a prime.

It is a super-2 number, since 2×46644448909² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46644448919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9917779 + ... + 9922480.

It is an arithmetic number, because the mean of its divisors is an integer number (11666072880).

Almost surely, 2^46644448909 is an apocalyptic number.

It is an amenable number.

46644448909 is a deficient number, since it is larger than the sum of its proper divisors (19842611).

46644448909 is a wasteful number, since it uses less digits than its factorization.

46644448909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19842610.

The product of its (nonzero) digits is 23887872, while the sum is 58.

The spelling of 46644448909 in words is "forty-six billion, six hundred forty-four million, four hundred forty-eight thousand, nine hundred nine".