217080349000 has 32 divisors (see below), whose sum is σ = 507968019000. Its totient is φ = 86832139200.

The previous prime is 217080348997. The next prime is 217080349007. The reversal of 217080349000 is 943080712.

It can be written as a sum of positive squares in 4 ways, for example, as 32941524004 + 184138824996 = 181498^2 + 429114^2 .

It is not an unprimeable number, because it can be changed into a prime (217080349007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108539175 + ... + 108541174.

Almost surely, 2^217080349000 is an apocalyptic number.

217080349000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

217080349000 is an abundant number, since it is smaller than the sum of its proper divisors (290887670000).

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

217080349000 is a wasteful number, since it uses less digits than its factorization.

217080349000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217080370 (or 217080356 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 217080349000 in words is "two hundred seventeen billion, eighty million, three hundred forty-nine thousand".