46509719945 has 32 divisors (see below), whose sum is σ = 60322534272. Its totient is φ = 34221537792.

The previous prime is 46509719929. The next prime is 46509719969. The reversal of 46509719945 is 54991790564.

It is not a de Polignac number, because 46509719945 - 2⁴ = 46509719929 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 31361174 + ... + 31362656.

It is an arithmetic number, because the mean of its divisors is an integer number (1885079196).

Almost surely, 2^46509719945 is an apocalyptic number.

It is an amenable number.

46509719945 is a deficient number, since it is larger than the sum of its proper divisors (13812814327).

46509719945 is a wasteful number, since it uses less digits than its factorization.

46509719945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921.

The product of its (nonzero) digits is 12247200, while the sum is 59.

The spelling of 46509719945 in words is "forty-six billion, five hundred nine million, seven hundred nineteen thousand, nine hundred forty-five".