213344657698 has 8 divisors (see below), whose sum is σ = 320031798300. Its totient is φ = 106667391600.

The previous prime is 213344657639. The next prime is 213344657711. The reversal of 213344657698 is 896756443312.

It can be written as a sum of positive squares in 2 ways, for example, as 195723953649 + 17620704049 = 442407^2 + 132743^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2414373 + ... + 2501176.

Almost surely, 2^213344657698 is an apocalyptic number.

213344657698 is a deficient number, since it is larger than the sum of its proper divisors (106687140602).

213344657698 is a wasteful number, since it uses less digits than its factorization.

213344657698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4937252.

The product of its digits is 26127360, while the sum is 58.

The spelling of 213344657698 in words is "two hundred thirteen billion, three hundred forty-four million, six hundred fifty-seven thousand, six hundred ninety-eight".