213353545201643 has 144 divisors (see below), whose sum is σ = 278067289500000. Its totient is φ = 163073923246080.

The previous prime is 213353545201579. The next prime is 213353545201793. The reversal of 213353545201643 is 346102545353312.

It is not a de Polignac number, because 213353545201643 - 2⁶ = 213353545201579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213353548201643) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 109468211033 + ... + 109468212981.

It is an arithmetic number, because the mean of its divisors is an integer number (1931022843750).

Almost surely, 2^{213353545201643} is an apocalyptic number.

213353545201643 is a deficient number, since it is larger than the sum of its proper divisors (64713744298357).

213353545201643 is a wasteful number, since it uses less digits than its factorization.

213353545201643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3706 (or 3688 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 47.

The spelling of 213353545201643 in words is "two hundred thirteen trillion, three hundred fifty-three billion, five hundred forty-five million, two hundred one thousand, six hundred forty-three".