210348641745 has 32 divisors (see below), whose sum is σ = 407948883840. Its totient is φ = 101987219520.

The previous prime is 210348641693. The next prime is 210348641747. The reversal of 210348641745 is 547146843012.

210348641745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210348641745 - 2⁷ = 210348641617 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 210348641745.

It is not an unprimeable number, because it can be changed into a prime (210348641747) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 70822974 + ... + 70825943.

It is an arithmetic number, because the mean of its divisors is an integer number (12748402620).

Almost surely, 2^210348641745 is an apocalyptic number.

It is an amenable number.

210348641745 is a deficient number, since it is larger than the sum of its proper divisors (197600242095).

210348641745 is a wasteful number, since it uses less digits than its factorization.

210348641745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141648942 (or 141648936 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 210348641745 in words is "two hundred ten billion, three hundred forty-eight million, six hundred forty-one thousand, seven hundred forty-five".