213253913434 has 16 divisors (see below), whose sum is σ = 333911983176. Its totient is φ = 102044404800.

The previous prime is 213253913419. The next prime is 213253913447. The reversal of 213253913434 is 434319352312.

It can be written as a sum of positive squares in 4 ways, for example, as 156155377225 + 57098536209 = 395165^2 + 238953^2 .

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, 23616877 + ... + 23625904.

Almost surely, 2^213253913434 is an apocalyptic number.

213253913434 is a deficient number, since it is larger than the sum of its proper divisors (120658069742).

213253913434 is a wasteful number, since it uses less digits than its factorization.

213253913434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47242881.

The product of its digits is 233280, while the sum is 40.

The spelling of 213253913434 in words is "two hundred thirteen billion, two hundred fifty-three million, nine hundred thirteen thousand, four hundred thirty-four".