213739619066 has 8 divisors (see below), whose sum is σ = 322732670304. Its totient is φ = 106162062300.

The previous prime is 213739619063. The next prime is 213739619077. The reversal of 213739619066 is 660916937312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 213739618999 and 213739619017.

It is not an unprimeable number, because it can be changed into a prime (213739619063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353873240 + ... + 353873843.

It is an arithmetic number, because the mean of its divisors is an integer number (40341583788).

Almost surely, 2^213739619066 is an apocalyptic number.

213739619066 is a deficient number, since it is larger than the sum of its proper divisors (108993051238).

213739619066 is a wasteful number, since it uses less digits than its factorization.

213739619066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707747236.

The product of its (nonzero) digits is 2204496, while the sum is 53.

The spelling of 213739619066 in words is "two hundred thirteen billion, seven hundred thirty-nine million, six hundred nineteen thousand, sixty-six".