213542767210 has 16 divisors (see below), whose sum is σ = 387182654856. Its totient is φ = 84793623808.

The previous prime is 213542767201. The next prime is 213542767223. The reversal of 213542767210 is 12767245312.

It can be written as a sum of positive squares in 4 ways, for example, as 160005600049 + 53537167161 = 400007^2 + 231381^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77933947 + ... + 77936686.

Almost surely, 2^213542767210 is an apocalyptic number.

213542767210 is a deficient number, since it is larger than the sum of its proper divisors (173639887646).

213542767210 is a wasteful number, since it uses less digits than its factorization.

213542767210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155870777.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 213542767210 in words is "two hundred thirteen billion, five hundred forty-two million, seven hundred sixty-seven thousand, two hundred ten".