428674453 has 2 divisors, whose sum is σ = 428674454. Its totient is φ = 428674452.

The previous prime is 428674399. The next prime is 428674513. The reversal of 428674453 is 354476824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255936004 + 172738449 = 15998^2 + 13143^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428674453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428674153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214337226 + 214337227.

It is an arithmetic number, because the mean of its divisors is an integer number (214337227).

Almost surely, 2^428674453 is an apocalyptic number.

It is an amenable number.

428674453 is a deficient number, since it is larger than the sum of its proper divisors (1).

428674453 is an equidigital number, since it uses as much as digits as its factorization.

428674453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 43.

The square root of 428674453 is about 20704.4549070967. The cubic root of 428674453 is about 754.0078501811.

The spelling of 428674453 in words is "four hundred twenty-eight million, six hundred seventy-four thousand, four hundred fifty-three".