210545243342 has 16 divisors (see below), whose sum is σ = 360957901920. Its totient is φ = 90227875968.

The previous prime is 210545243339. The next prime is 210545243353. The reversal of 210545243342 is 243342545012.

It is a happy number.

210545243342 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253967 + ... + 696842.

It is an arithmetic number, because the mean of its divisors is an integer number (22559868870).

Almost surely, 2^210545243342 is an apocalyptic number.

210545243342 is a deficient number, since it is larger than the sum of its proper divisors (150412658578).

210545243342 is a wasteful number, since it uses less digits than its factorization.

210545243342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966635.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 210545243342 its reverse (243342545012), we get a palindrome (453887788354).

The spelling of 210545243342 in words is "two hundred ten billion, five hundred forty-five million, two hundred forty-three thousand, three hundred forty-two".