213203520536 has 8 divisors (see below), whose sum is σ = 399756601020. Its totient is φ = 106601760264.

The previous prime is 213203520479. The next prime is 213203520559. The reversal of 213203520536 is 635025302312.

213203520536 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

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, 13325220026 + ... + 13325220041.

Almost surely, 2^213203520536 is an apocalyptic number.

It is an amenable number.

213203520536 is a deficient number, since it is larger than the sum of its proper divisors (186553080484).

213203520536 is a wasteful number, since it uses less digits than its factorization.

213203520536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26650440073 (or 26650440069 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 213203520536 its reverse (635025302312), we get a palindrome (848228822848).

The spelling of 213203520536 in words is "two hundred thirteen billion, two hundred three million, five hundred twenty thousand, five hundred thirty-six".