47456991475 has 12 divisors (see below), whose sum is σ = 59099237496. Its totient is φ = 37802646080.

The previous prime is 47456991473. The next prime is 47456991493. The reversal of 47456991475 is 57419965474.

It is not a de Polignac number, because 47456991475 - 2¹ = 47456991473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47456991473) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4067737 + ... + 4079386.

It is an arithmetic number, because the mean of its divisors is an integer number (4924936458).

Almost surely, 2^47456991475 is an apocalyptic number.

47456991475 is a deficient number, since it is larger than the sum of its proper divisors (11642246021).

47456991475 is a wasteful number, since it uses less digits than its factorization.

47456991475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8147366 (or 8147361 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 61.

The spelling of 47456991475 in words is "forty-seven billion, four hundred fifty-six million, nine hundred ninety-one thousand, four hundred seventy-five".