213025779705 has 8 divisors (see below), whose sum is σ = 340841247552. Its totient is φ = 113613749168.

The previous prime is 213025779667. The next prime is 213025779727. The reversal of 213025779705 is 507977520312.

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

It is a cyclic number.

It is not a de Polignac number, because 213025779705 - 2¹⁰ = 213025778681 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7100859309 + ... + 7100859338.

It is an arithmetic number, because the mean of its divisors is an integer number (42605155944).

Almost surely, 2^213025779705 is an apocalyptic number.

It is an amenable number.

213025779705 is a deficient number, since it is larger than the sum of its proper divisors (127815467847).

213025779705 is a wasteful number, since it uses less digits than its factorization.

213025779705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14201718655.

The product of its (nonzero) digits is 926100, while the sum is 48.

The spelling of 213025779705 in words is "two hundred thirteen billion, twenty-five million, seven hundred seventy-nine thousand, seven hundred five".