1428545563 has 2 divisors, whose sum is σ = 1428545564. Its totient is φ = 1428545562.

The previous prime is 1428545561. The next prime is 1428545567. The reversal of 1428545563 is 3655458241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1428545563 - 2¹ = 1428545561 is a prime.

Together with 1428545561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1428545561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714272781 + 714272782.

It is an arithmetic number, because the mean of its divisors is an integer number (714272782).

Almost surely, 2^1428545563 is an apocalyptic number.

1428545563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1428545563 is an equidigital number, since it uses as much as digits as its factorization.

1428545563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576000, while the sum is 43.

The square root of 1428545563 is about 37796.1051300263. The cubic root of 1428545563 is about 1126.2410831587.

The spelling of 1428545563 in words is "one billion, four hundred twenty-eight million, five hundred forty-five thousand, five hundred sixty-three".