213418049786 has 4 divisors (see below), whose sum is σ = 320127074682. Its totient is φ = 106709024892.

The previous prime is 213418049777. The next prime is 213418049797. The reversal of 213418049786 is 687940814312.

213418049786 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 174636231025 + 38781818761 = 417895^2 + 196931^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53354512445 + ... + 53354512448.

Almost surely, 2^213418049786 is an apocalyptic number.

213418049786 is a deficient number, since it is larger than the sum of its proper divisors (106709024896).

213418049786 is a wasteful number, since it uses less digits than its factorization.

213418049786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106709024895.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 213418049786 in words is "two hundred thirteen billion, four hundred eighteen million, forty-nine thousand, seven hundred eighty-six".