213619745109 has 8 divisors (see below), whose sum is σ = 284846042880. Its totient is φ = 142403305376.

The previous prime is 213619745077. The next prime is 213619745111. The reversal of 213619745109 is 901547916312.

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 213619745109 - 2⁵ = 213619745077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213619745309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2413797 + ... + 2500730.

It is an arithmetic number, because the mean of its divisors is an integer number (35605755360).

Almost surely, 2^213619745109 is an apocalyptic number.

It is an amenable number.

213619745109 is a deficient number, since it is larger than the sum of its proper divisors (71226297771).

213619745109 is a wasteful number, since it uses less digits than its factorization.

213619745109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4929019.

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 213619745109 in words is "two hundred thirteen billion, six hundred nineteen million, seven hundred forty-five thousand, one hundred nine".