1469491427 has 4 divisors (see below), whose sum is σ = 1469593440. Its totient is φ = 1469389416.

The previous prime is 1469491411. The next prime is 1469491433. The reversal of 1469491427 is 7241949641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7241949641 = 887 ⋅8164543.

It is a cyclic number.

It is not a de Polignac number, because 1469491427 - 2⁴ = 1469491411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1469491447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24968 + ... + 59685.

It is an arithmetic number, because the mean of its divisors is an integer number (367398360).

Almost surely, 2^1469491427 is an apocalyptic number.

1469491427 is a deficient number, since it is larger than the sum of its proper divisors (102013).

1469491427 is an equidigital number, since it uses as much as digits as its factorization.

1469491427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102012.

The product of its digits is 435456, while the sum is 47.

The square root of 1469491427 is about 38333.9461443770. The cubic root of 1469491427 is about 1136.9002245165.

The spelling of 1469491427 in words is "one billion, four hundred sixty-nine million, four hundred ninety-one thousand, four hundred twenty-seven".