2117343138732 has 288 divisors, whose sum is σ = 6018542659584. Its totient is φ = 624356812800.

The previous prime is 2117343138719. The next prime is 2117343138761. The reversal of 2117343138732 is 2378313437112.

2117343138732 is a `hidden beast` number, since 2 + 117 + 3 + 431 + 38 + 73 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 451360507 + ... + 451365197.

It is an arithmetic number, because the mean of its divisors is an integer number (20897717568).

Almost surely, 2^{2117343138732} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2117343138732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3009271329792).

2117343138732 is an abundant number, since it is smaller than the sum of its proper divisors (3901199520852).

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

2117343138732 is a wasteful number, since it uses less digits than its factorization.

2117343138732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5429 (or 5424 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The spelling of 2117343138732 in words is "two trillion, one hundred seventeen billion, three hundred forty-three million, one hundred thirty-eight thousand, seven hundred thirty-two".