213953948234 has 8 divisors (see below), whose sum is σ = 345617916420. Its totient is φ = 98747976096.

The previous prime is 213953948233. The next prime is 213953948251. The reversal of 213953948234 is 432849359312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 206249497609 + 7704450625 = 454147^2 + 87775^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213953948233) 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, 4114498979 + ... + 4114499030.

Almost surely, 2^213953948234 is an apocalyptic number.

213953948234 is a deficient number, since it is larger than the sum of its proper divisors (131663968186).

213953948234 is a wasteful number, since it uses less digits than its factorization.

213953948234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8228998024.

The product of its digits is 5598720, while the sum is 53.

The spelling of 213953948234 in words is "two hundred thirteen billion, nine hundred fifty-three million, nine hundred forty-eight thousand, two hundred thirty-four".