217047842130 has 32 divisors (see below), whose sum is σ = 595331224704. Its totient is φ = 49610935296.

The previous prime is 217047842093. The next prime is 217047842147. The reversal of 217047842130 is 31248740712.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 516780367 + ... + 516780786.

It is an arithmetic number, because the mean of its divisors is an integer number (18604100772).

Almost surely, 2^217047842130 is an apocalyptic number.

217047842130 is an abundant number, since it is smaller than the sum of its proper divisors (378283382574).

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

217047842130 is a wasteful number, since it uses less digits than its factorization.

217047842130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033561170.

The product of its (nonzero) digits is 75264, while the sum is 39.

The spelling of 217047842130 in words is "two hundred seventeen billion, forty-seven million, eight hundred forty-two thousand, one hundred thirty".