228764563453 has 2 divisors, whose sum is σ = 228764563454. Its totient is φ = 228764563452.

The previous prime is 228764563451. The next prime is 228764563463. The reversal of 228764563453 is 354365467822.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183696245604 + 45068317849 = 428598^2 + 212293^2 .

It is a cyclic number.

It is not a de Polignac number, because 228764563453 - 2¹ = 228764563451 is a prime.

Together with 228764563451, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 228764563394 and 228764563403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228764563451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114382281726 + 114382281727.

It is an arithmetic number, because the mean of its divisors is an integer number (114382281727).

Almost surely, 2^228764563453 is an apocalyptic number.

It is an amenable number.

228764563453 is a deficient number, since it is larger than the sum of its proper divisors (1).

228764563453 is an equidigital number, since it uses as much as digits as its factorization.

228764563453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29030400, while the sum is 55.

The spelling of 228764563453 in words is "two hundred twenty-eight billion, seven hundred sixty-four million, five hundred sixty-three thousand, four hundred fifty-three".