213905708041 has 4 divisors (see below), whose sum is σ = 215982462592. Its totient is φ = 211828953492.

The previous prime is 213905708033. The next prime is 213905708047. The reversal of 213905708041 is 140807509312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213905708041 - 2³ = 213905708033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213905707985 and 213905708003.

It is not an unprimeable number, because it can be changed into a prime (213905708047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1038377121 + ... + 1038377326.

It is an arithmetic number, because the mean of its divisors is an integer number (53995615648).

Almost surely, 2^213905708041 is an apocalyptic number.

It is an amenable number.

213905708041 is a deficient number, since it is larger than the sum of its proper divisors (2076754551).

213905708041 is a wasteful number, since it uses less digits than its factorization.

213905708041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076754550.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 213905708041 in words is "two hundred thirteen billion, nine hundred five million, seven hundred eight thousand, forty-one".