47019132561 has 4 divisors (see below), whose sum is σ = 62692176752. Its totient is φ = 31346088372.

The previous prime is 47019132533. The next prime is 47019132583. The reversal of 47019132561 is 16523191074.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 47019132561 - 2¹¹ = 47019130513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47019142561) 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 3 ways as a sum of consecutive naturals, for example, 7836522091 + ... + 7836522096.

It is an arithmetic number, because the mean of its divisors is an integer number (15673044188).

Almost surely, 2^47019132561 is an apocalyptic number.

It is an amenable number.

47019132561 is a deficient number, since it is larger than the sum of its proper divisors (15673044191).

47019132561 is a wasteful number, since it uses less digits than its factorization.

47019132561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15673044190.

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 47019132561 in words is "forty-seven billion, nineteen million, one hundred thirty-two thousand, five hundred sixty-one".