46439404423 has 4 divisors (see below), whose sum is σ = 46477564560. Its totient is φ = 46401244288.

The previous prime is 46439404421. The next prime is 46439404433. The reversal of 46439404423 is 32440493464.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 46439404423 - 2¹ = 46439404421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 46439404423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46439404421) 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 in 3 ways as a sum of consecutive naturals, for example, 19078243 + ... + 19080676.

It is an arithmetic number, because the mean of its divisors is an integer number (11619391140).

Almost surely, 2^46439404423 is an apocalyptic number.

46439404423 is a deficient number, since it is larger than the sum of its proper divisors (38160137).

46439404423 is a wasteful number, since it uses less digits than its factorization.

46439404423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38160136.

The product of its (nonzero) digits is 995328, while the sum is 43.

Adding to 46439404423 its reverse (32440493464), we get a palindrome (78879897887).

The spelling of 46439404423 in words is "forty-six billion, four hundred thirty-nine million, four hundred four thousand, four hundred twenty-three".