213442440061605 has 32 divisors (see below), whose sum is σ = 356368072953600. Its totient is φ = 108882911723520.

The previous prime is 213442440061579. The next prime is 213442440061649. The reversal of 213442440061605 is 506160044244312.

213442440061605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213442440061605 - 2⁹ = 213442440061093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140380 + ... + 20661669.

It is an arithmetic number, because the mean of its divisors is an integer number (11136502279800).

Almost surely, 2^{213442440061605} is an apocalyptic number.

It is an amenable number.

213442440061605 is a deficient number, since it is larger than the sum of its proper divisors (142925632891995).

213442440061605 is a wasteful number, since it uses less digits than its factorization.

213442440061605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20831821.

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 213442440061605 in words is "two hundred thirteen trillion, four hundred forty-two billion, four hundred forty million, sixty-one thousand, six hundred five".