210742387048 has 8 divisors (see below), whose sum is σ = 395141975730. Its totient is φ = 105371193520.

The previous prime is 210742387043. The next prime is 210742387057. The reversal of 210742387048 is 840783247012.

It can be written as a sum of positive squares in only one way, i.e., 210719557764 + 22829284 = 459042^2 + 4778^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 210742386989 and 210742387007.

It is not an unprimeable number, because it can be changed into a prime (210742387043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13171399183 + ... + 13171399198.

Almost surely, 2^210742387048 is an apocalyptic number.

It is an amenable number.

210742387048 is a deficient number, since it is larger than the sum of its proper divisors (184399588682).

210742387048 is a wasteful number, since it uses less digits than its factorization.

210742387048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26342798387 (or 26342798383 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 46.

The spelling of 210742387048 in words is "two hundred ten billion, seven hundred forty-two million, three hundred eighty-seven thousand, forty-eight".