47245195221 has 16 divisors (see below), whose sum is σ = 72224176128. Its totient is φ = 26910442800.

The previous prime is 47245195163. The next prime is 47245195223. The reversal of 47245195221 is 12259154274.

It is a happy number.

It is not a de Polignac number, because 47245195221 - 2³⁰ = 46171453397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47245195223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3610465 + ... + 3623526.

It is an arithmetic number, because the mean of its divisors is an integer number (4514011008).

Almost surely, 2^47245195221 is an apocalyptic number.

It is an amenable number.

47245195221 is a deficient number, since it is larger than the sum of its proper divisors (24978980907).

47245195221 is a wasteful number, since it uses less digits than its factorization.

47245195221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7234312.

The product of its digits is 201600, while the sum is 42.

The spelling of 47245195221 in words is "forty-seven billion, two hundred forty-five million, one hundred ninety-five thousand, two hundred twenty-one".