213456626851 has 8 divisors (see below), whose sum is σ = 236089242704. Its totient is φ = 191711564640.

The previous prime is 213456626837. The next prime is 213456626879. The reversal of 213456626851 is 158626654312.

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

It is a cyclic number.

It is not a de Polignac number, because 213456626851 - 2¹¹ = 213456624803 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213456626795 and 213456626804.

It is not an unprimeable number, because it can be changed into a prime (213456626881) 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, 221887905 + ... + 221888866.

It is an arithmetic number, because the mean of its divisors is an integer number (29511155338).

Almost surely, 2^213456626851 is an apocalyptic number.

213456626851 is a deficient number, since it is larger than the sum of its proper divisors (22632615853).

213456626851 is a wasteful number, since it uses less digits than its factorization.

213456626851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443776821.

The product of its digits is 2073600, while the sum is 49.

The spelling of 213456626851 in words is "two hundred thirteen billion, four hundred fifty-six million, six hundred twenty-six thousand, eight hundred fifty-one".