47341221961 has 4 divisors (see below), whose sum is σ = 51644969424. Its totient is φ = 43037474500.

The previous prime is 47341221923. The next prime is 47341222007. The reversal of 47341221961 is 16912214374.

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 a cyclic number.

It is not a de Polignac number, because 47341221961 - 2⁹ = 47341221449 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47341227961) 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, 2151873715 + ... + 2151873736.

It is an arithmetic number, because the mean of its divisors is an integer number (12911242356).

Almost surely, 2^47341221961 is an apocalyptic number.

It is an amenable number.

47341221961 is a deficient number, since it is larger than the sum of its proper divisors (4303747463).

47341221961 is a wasteful number, since it uses less digits than its factorization.

47341221961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4303747462.

The product of its digits is 72576, while the sum is 40.

The spelling of 47341221961 in words is "forty-seven billion, three hundred forty-one million, two hundred twenty-one thousand, nine hundred sixty-one".