1428774463 has 2 divisors, whose sum is σ = 1428774464. Its totient is φ = 1428774462.

The previous prime is 1428774461. The next prime is 1428774493. The reversal of 1428774463 is 3644778241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1428774463 - 2¹ = 1428774461 is a prime.

It is a super-2 number, since 2×1428774463² = 4082792932241876738, which contains 22 as substring.

Together with 1428774461, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1428774461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714387231 + 714387232.

It is an arithmetic number, because the mean of its divisors is an integer number (714387232).

Almost surely, 2^1428774463 is an apocalyptic number.

1428774463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1428774463 is an equidigital number, since it uses as much as digits as its factorization.

1428774463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 46.

The square root of 1428774463 is about 37799.1330985249. The cubic root of 1428774463 is about 1126.3012335716.

The spelling of 1428774463 in words is "one billion, four hundred twenty-eight million, seven hundred seventy-four thousand, four hundred sixty-three".