213491452105 has 8 divisors (see below), whose sum is σ = 256858647552. Its totient is φ = 170347225008.

The previous prime is 213491452099. The next prime is 213491452169. The reversal of 213491452105 is 501254194312.

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 213491452105 - 2¹⁹ = 213490927817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55739979 + ... + 55743808.

It is an arithmetic number, because the mean of its divisors is an integer number (32107330944).

Almost surely, 2^213491452105 is an apocalyptic number.

It is an amenable number.

213491452105 is a deficient number, since it is larger than the sum of its proper divisors (43367195447).

213491452105 is a wasteful number, since it uses less digits than its factorization.

213491452105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111484175.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 213491452105 in words is "two hundred thirteen billion, four hundred ninety-one million, four hundred fifty-two thousand, one hundred five".