47138224915 has 4 divisors (see below), whose sum is σ = 56565869904. Its totient is φ = 37710579928.

The previous prime is 47138224901. The next prime is 47138224919. The reversal of 47138224915 is 51942283174.

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 47138224915 - 2⁹ = 47138224403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47138224919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4713822487 + ... + 4713822496.

It is an arithmetic number, because the mean of its divisors is an integer number (14141467476).

Almost surely, 2^47138224915 is an apocalyptic number.

47138224915 is a deficient number, since it is larger than the sum of its proper divisors (9427644989).

47138224915 is an equidigital number, since it uses as much as digits as its factorization.

47138224915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9427644988.

The product of its digits is 483840, while the sum is 46.

The spelling of 47138224915 in words is "forty-seven billion, one hundred thirty-eight million, two hundred twenty-four thousand, nine hundred fifteen".