47816439145 has 32 divisors (see below), whose sum is σ = 61294973184. Its totient is φ = 35728492800.

The previous prime is 47816439103. The next prime is 47816439173. The reversal of 47816439145 is 54193461874.

It is not a de Polignac number, because 47816439145 - 2¹³ = 47816430953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47816439092 and 47816439101.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1267455 + ... + 1304635.

It is an arithmetic number, because the mean of its divisors is an integer number (1915467912).

Almost surely, 2^47816439145 is an apocalyptic number.

It is an amenable number.

47816439145 is a deficient number, since it is larger than the sum of its proper divisors (13478534039).

47816439145 is a wasteful number, since it uses less digits than its factorization.

47816439145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37473.

The product of its digits is 2903040, while the sum is 52.

The spelling of 47816439145 in words is "forty-seven billion, eight hundred sixteen million, four hundred thirty-nine thousand, one hundred forty-five".