228975556451 has 2 divisors, whose sum is σ = 228975556452. Its totient is φ = 228975556450.

The previous prime is 228975556423. The next prime is 228975556489. The reversal of 228975556451 is 154655579822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228975556451 - 2¹⁸ = 228975294307 is a prime.

It is not a weakly prime, because it can be changed into another prime (228975556421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114487778225 + 114487778226.

It is an arithmetic number, because the mean of its divisors is an integer number (114487778226).

Almost surely, 2^228975556451 is an apocalyptic number.

228975556451 is a deficient number, since it is larger than the sum of its proper divisors (1).

228975556451 is an equidigital number, since it uses as much as digits as its factorization.

228975556451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240000, while the sum is 59.

The spelling of 228975556451 in words is "two hundred twenty-eight billion, nine hundred seventy-five million, five hundred fifty-six thousand, four hundred fifty-one".