47132326138 has 16 divisors (see below), whose sum is σ = 71244688680. Its totient is φ = 23384793600.

The previous prime is 47132326121. The next prime is 47132326139. The reversal of 47132326138 is 83162323174.

It can be written as a sum of positive squares in 4 ways, for example, as 46909928569 + 222397569 = 216587^2 + 14913^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47132326138.

It is not an unprimeable number, because it can be changed into a prime (47132326139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38553 + ... + 309436.

Almost surely, 2^47132326138 is an apocalyptic number.

47132326138 is a deficient number, since it is larger than the sum of its proper divisors (24112362542).

47132326138 is a wasteful number, since it uses less digits than its factorization.

47132326138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348513.

The product of its digits is 145152, while the sum is 40.

The spelling of 47132326138 in words is "forty-seven billion, one hundred thirty-two million, three hundred twenty-six thousand, one hundred thirty-eight".