212926463 has 4 divisors (see below), whose sum is σ = 212955648. Its totient is φ = 212897280.

The previous prime is 212926393. The next prime is 212926477. The reversal of 212926463 is 364629212.

It is a Cunningham number, because it is equal to 14592²-1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 212926463 - 2¹⁰ = 212925439 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 (212929463) 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, 7295 + ... + 21887.

It is an arithmetic number, because the mean of its divisors is an integer number (53238912).

Almost surely, 2^212926463 is an apocalyptic number.

212926463 is a deficient number, since it is larger than the sum of its proper divisors (29185).

212926463 is a wasteful number, since it uses less digits than its factorization.

212926463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29184.

The product of its digits is 31104, while the sum is 35.

The square root of 212926463 is about 14591.9999657346. Note that the first 4 decimals coincide. The cubic root of 212926463 is about 597.1405264075.

The spelling of 212926463 in words is "two hundred twelve million, nine hundred twenty-six thousand, four hundred sixty-three".