213450055523513 has 4 divisors (see below), whose sum is σ = 213454485190800. Its totient is φ = 213445625856228.

The previous prime is 213450055523449. The next prime is 213450055523567. The reversal of 213450055523513 is 315325550054312.

213450055523513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213450055523513 - 2⁶ = 213450055523449 is a prime.

It is a super-2 number, since 2×213450055523513² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213450055523213) 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, 2214761363 + ... + 2214857736.

It is an arithmetic number, because the mean of its divisors is an integer number (53363621297700).

Almost surely, 2^{213450055523513} is an apocalyptic number.

It is an amenable number.

213450055523513 is a deficient number, since it is larger than the sum of its proper divisors (4429667287).

213450055523513 is an equidigital number, since it uses as much as digits as its factorization.

213450055523513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4429667286.

The product of its (nonzero) digits is 1350000, while the sum is 44.

The spelling of 213450055523513 in words is "two hundred thirteen trillion, four hundred fifty billion, fifty-five million, five hundred twenty-three thousand, five hundred thirteen".