1427453919 has 6 divisors (see below), whose sum is σ = 2061877896. Its totient is φ = 951635940.

The previous prime is 1427453903. The next prime is 1427453939. The reversal of 1427453919 is 9193547241.

1427453919 is a `hidden beast` number, since 1 + 42 + 74 + 539 + 1 + 9 = 666.

It is not a de Polignac number, because 1427453919 - 2⁴ = 1427453903 is a prime.

It is a super-2 number, since 2×1427453919² = 4075249381736917122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427453939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79302987 + ... + 79303004.

It is an arithmetic number, because the mean of its divisors is an integer number (343646316).

Almost surely, 2^1427453919 is an apocalyptic number.

1427453919 is a deficient number, since it is larger than the sum of its proper divisors (634423977).

1427453919 is a wasteful number, since it uses less digits than its factorization.

1427453919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158605997 (or 158605994 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 1427453919 is about 37781.6611466463. The cubic root of 1427453919 is about 1125.9541321847.

The spelling of 1427453919 in words is "one billion, four hundred twenty-seven million, four hundred fifty-three thousand, nine hundred nineteen".