213880737695 has 8 divisors (see below), whose sum is σ = 258231468336. Its totient is φ = 170054868096.

The previous prime is 213880737659. The next prime is 213880737713. The reversal of 213880737695 is 596737088312.

It is a happy number.

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 213880737695 - 2⁸ = 213880737439 is a prime.

It is a Duffinian number.

It is a congruent 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, 131214362 + ... + 131215991.

It is an arithmetic number, because the mean of its divisors is an integer number (32278933542).

Almost surely, 2^213880737695 is an apocalyptic number.

213880737695 is a deficient number, since it is larger than the sum of its proper divisors (44350730641).

213880737695 is a wasteful number, since it uses less digits than its factorization.

213880737695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262430521.

The product of its (nonzero) digits is 15240960, while the sum is 59.

The spelling of 213880737695 in words is "two hundred thirteen billion, eight hundred eighty million, seven hundred thirty-seven thousand, six hundred ninety-five".