213544410051 has 8 divisors (see below), whose sum is σ = 325401005824. Its totient is φ = 122025377160.

The previous prime is 213544410047. The next prime is 213544410071. The reversal of 213544410051 is 150014445312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213544410051 - 2² = 213544410047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213544410031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5084390695 + ... + 5084390736.

It is an arithmetic number, because the mean of its divisors is an integer number (40675125728).

Almost surely, 2^213544410051 is an apocalyptic number.

213544410051 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

213544410051 is a deficient number, since it is larger than the sum of its proper divisors (111856595773).

213544410051 is a wasteful number, since it uses less digits than its factorization.

213544410051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10168781441.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 213544410051 its reverse (150014445312), we get a palindrome (363558855363).

The spelling of 213544410051 in words is "two hundred thirteen billion, five hundred forty-four million, four hundred ten thousand, fifty-one".