213623627926 has 4 divisors (see below), whose sum is σ = 320435441892. Its totient is φ = 106811813962.

The previous prime is 213623627923. The next prime is 213623627953. The reversal of 213623627926 is 629726326312.

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

It is a super-2 number, since 2×213623627926² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 213623627926.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213623627923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53405906980 + ... + 53405906983.

It is an arithmetic number, because the mean of its divisors is an integer number (80108860473).

Almost surely, 2^213623627926 is an apocalyptic number.

213623627926 is a deficient number, since it is larger than the sum of its proper divisors (106811813966).

213623627926 is a wasteful number, since it uses less digits than its factorization.

213623627926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106811813965.

The product of its digits is 1959552, while the sum is 49.

The spelling of 213623627926 in words is "two hundred thirteen billion, six hundred twenty-three million, six hundred twenty-seven thousand, nine hundred twenty-six".