47211215312646 has 384 divisors, whose sum is σ = 136474749573120. Its totient is φ = 11955659788800.

The previous prime is 47211215312633. The next prime is 47211215312669. The reversal of 47211215312646 is 64621351211274.

It is a happy number.

47211215312646 is a `hidden beast` number, since 4 + 72 + 1 + 1 + 2 + 1 + 531 + 2 + 6 + 46 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1924854835 + ... + 1924879361.

It is an arithmetic number, because the mean of its divisors is an integer number (355402993680).

Almost surely, 2^{47211215312646} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47211215312646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68237374786560).

47211215312646 is an abundant number, since it is smaller than the sum of its proper divisors (89263534260474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47211215312646 is a wasteful number, since it uses less digits than its factorization.

47211215312646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26217 (or 26204 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The spelling of 47211215312646 in words is "forty-seven trillion, two hundred eleven billion, two hundred fifteen million, three hundred twelve thousand, six hundred forty-six".