213353535254646 has 32 divisors (see below), whose sum is σ = 428384772152928. Its totient is φ = 70838250577920.

The previous prime is 213353535254633. The next prime is 213353535254647. The reversal of 213353535254646 is 646452535353312.

It is a super-2 number, since 2×213353535254646² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213353535254647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35420616 + ... + 41003988.

It is an arithmetic number, because the mean of its divisors is an integer number (13387024129779).

Almost surely, 2^{213353535254646} is an apocalyptic number.

213353535254646 is an abundant number, since it is smaller than the sum of its proper divisors (215031236898282).

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

213353535254646 is a wasteful number, since it uses less digits than its factorization.

213353535254646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5608416.

The product of its digits is 116640000, while the sum is 57.

The spelling of 213353535254646 in words is "two hundred thirteen trillion, three hundred fifty-three billion, five hundred thirty-five million, two hundred fifty-four thousand, six hundred forty-six".