47244312261 has 16 divisors (see below), whose sum is σ = 69999769600. Its totient is φ = 31492520064.

The previous prime is 47244312221. The next prime is 47244312277. The reversal of 47244312261 is 16221344274.

47244312261 is a `hidden beast` number, since 47 + 2 + 44 + 312 + 261 = 666.

It is not a de Polignac number, because 47244312261 - 2⁶ = 47244312197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47244312221) 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, 143100 + ... + 339066.

It is an arithmetic number, because the mean of its divisors is an integer number (4374985600).

Almost surely, 2^47244312261 is an apocalyptic number.

It is an amenable number.

47244312261 is a deficient number, since it is larger than the sum of its proper divisors (22755457339).

47244312261 is a wasteful number, since it uses less digits than its factorization.

47244312261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204905 (or 204899 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The spelling of 47244312261 in words is "forty-seven billion, two hundred forty-four million, three hundred twelve thousand, two hundred sixty-one".