213043698068 has 6 divisors (see below), whose sum is σ = 372826471626. Its totient is φ = 106521849032.

The previous prime is 213043698031. The next prime is 213043698107. The reversal of 213043698068 is 860896340312.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 187923984004 + 25119714064 = 433502^2 + 158492^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26630462255 + ... + 26630462262.

It is an arithmetic number, because the mean of its divisors is an integer number (62137745271).

Almost surely, 2^213043698068 is an apocalyptic number.

It is an amenable number.

213043698068 is a deficient number, since it is larger than the sum of its proper divisors (159782773558).

213043698068 is a wasteful number, since it uses less digits than its factorization.

213043698068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53260924521 (or 53260924519 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 50.

The spelling of 213043698068 in words is "two hundred thirteen billion, forty-three million, six hundred ninety-eight thousand, sixty-eight".