428761035229 has 2 divisors, whose sum is σ = 428761035230. Its totient is φ = 428761035228.

The previous prime is 428761035217. The next prime is 428761035233. The reversal of 428761035229 is 922530167824.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239979475129 + 188781560100 = 489877^2 + 434490^2 .

It is a cyclic number.

It is not a de Polignac number, because 428761035229 - 2²¹ = 428758938077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428761035299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214380517614 + 214380517615.

It is an arithmetic number, because the mean of its divisors is an integer number (214380517615).

It is a 1-persistent number, because it is pandigital, but 2⋅428761035229 = 857522070458 is not.

Almost surely, 2^428761035229 is an apocalyptic number.

It is an amenable number.

428761035229 is a deficient number, since it is larger than the sum of its proper divisors (1).

428761035229 is an equidigital number, since it uses as much as digits as its factorization.

428761035229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 428761035229 in words is "four hundred twenty-eight billion, seven hundred sixty-one million, thirty-five thousand, two hundred twenty-nine".