213126807463 has 4 divisors (see below), whose sum is σ = 215694600408. Its totient is φ = 210559014520.

The previous prime is 213126807437. The next prime is 213126807503. The reversal of 213126807463 is 364708621312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213126807463 - 2²⁵ = 213093253031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213126807263) 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, 1283896348 + ... + 1283896513.

It is an arithmetic number, because the mean of its divisors is an integer number (53923650102).

Almost surely, 2^213126807463 is an apocalyptic number.

213126807463 is a deficient number, since it is larger than the sum of its proper divisors (2567792945).

213126807463 is an equidigital number, since it uses as much as digits as its factorization.

213126807463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567792944.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 213126807463 in words is "two hundred thirteen billion, one hundred twenty-six million, eight hundred seven thousand, four hundred sixty-three".