213400798418 has 4 divisors (see below), whose sum is σ = 320101197630. Its totient is φ = 106700399208.

The previous prime is 213400798399. The next prime is 213400798451. The reversal of 213400798418 is 814897004312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 178106788729 + 35294009689 = 422027^2 + 187867^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53350199603 + ... + 53350199606.

Almost surely, 2^213400798418 is an apocalyptic number.

213400798418 is a deficient number, since it is larger than the sum of its proper divisors (106700399212).

213400798418 is a wasteful number, since it uses less digits than its factorization.

213400798418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106700399211.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 213400798418 in words is "two hundred thirteen billion, four hundred million, seven hundred ninety-eight thousand, four hundred eighteen".