47074215143521 has 4 divisors (see below), whose sum is σ = 47962407882132. Its totient is φ = 46186022404912.

The previous prime is 47074215143519. The next prime is 47074215143581. The reversal of 47074215143521 is 12534151247074.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38768804131600 + 8305411011921 = 6226460^2 + 2881911^2 .

It is a cyclic number.

It is not a de Polignac number, because 47074215143521 - 2¹ = 47074215143519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47074215143581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444096369226 + ... + 444096369331.

It is an arithmetic number, because the mean of its divisors is an integer number (11990601970533).

Almost surely, 2^{47074215143521} is an apocalyptic number.

It is an amenable number.

47074215143521 is a deficient number, since it is larger than the sum of its proper divisors (888192738611).

47074215143521 is an equidigital number, since it uses as much as digits as its factorization.

47074215143521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888192738610.

The product of its (nonzero) digits is 940800, while the sum is 46.

The spelling of 47074215143521 in words is "forty-seven trillion, seventy-four billion, two hundred fifteen million, one hundred forty-three thousand, five hundred twenty-one".