2117970243480 has 512 divisors, whose sum is σ = 8326789632000. Its totient is φ = 427436900352.

The previous prime is 2117970243427. The next prime is 2117970243541. The reversal of 2117970243480 is 843420797112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12220792 + ... + 12392888.

It is an arithmetic number, because the mean of its divisors is an integer number (16263261000).

Almost surely, 2^{2117970243480} is an apocalyptic number.

2117970243480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2117970243480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4163394816000).

2117970243480 is an abundant number, since it is smaller than the sum of its proper divisors (6208819388520).

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

2117970243480 is a wasteful number, since it uses less digits than its factorization.

2117970243480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172168 (or 172150 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 2117970243480 in words is "two trillion, one hundred seventeen billion, nine hundred seventy million, two hundred forty-three thousand, four hundred eighty".