213346242990 has 48 divisors (see below), whose sum is σ = 556762377600. Its totient is φ = 56680829376.

The previous prime is 213346242959. The next prime is 213346242997. The reversal of 213346242990 is 99242643312.

213346242990 is a `hidden beast` number, since 2 + 1 + 334 + 6 + 24 + 299 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213346242997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4381950 + ... + 4430369.

It is an arithmetic number, because the mean of its divisors is an integer number (11599216200).

Almost surely, 2^213346242990 is an apocalyptic number.

213346242990 is an abundant number, since it is smaller than the sum of its proper divisors (343416134610).

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

213346242990 is a wasteful number, since it uses less digits than its factorization.

213346242990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8812601 (or 8812598 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 213346242990 in words is "two hundred thirteen billion, three hundred forty-six million, two hundred forty-two thousand, nine hundred ninety".