213521434625235 has 16 divisors (see below), whose sum is σ = 372691958618880. Its totient is φ = 103525544060640.

The previous prime is 213521434625207. The next prime is 213521434625243. The reversal of 213521434625235 is 532526434125312.

It is a happy number.

It is not a de Polignac number, because 213521434625235 - 2⁴¹ = 211322411369683 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 647034650215 + ... + 647034650544.

It is an arithmetic number, because the mean of its divisors is an integer number (23293247413680).

Almost surely, 2^{213521434625235} is an apocalyptic number.

213521434625235 is a deficient number, since it is larger than the sum of its proper divisors (159170523993645).

213521434625235 is a wasteful number, since it uses less digits than its factorization.

213521434625235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294069300778.

The product of its digits is 5184000, while the sum is 48.

The spelling of 213521434625235 in words is "two hundred thirteen trillion, five hundred twenty-one billion, four hundred thirty-four million, six hundred twenty-five thousand, two hundred thirty-five".