1426409671 has 8 divisors (see below), whose sum is σ = 1433631600. Its totient is φ = 1419203520.

The previous prime is 1426409587. The next prime is 1426409683. The reversal of 1426409671 is 1769046241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1426409671 - 2¹¹ = 1426407623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426409471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204225 + ... + 211093.

It is an arithmetic number, because the mean of its divisors is an integer number (179203950).

Almost surely, 2^1426409671 is an apocalyptic number.

1426409671 is a deficient number, since it is larger than the sum of its proper divisors (7221929).

1426409671 is an equidigital number, since it uses as much as digits as its factorization.

1426409671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7889.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 1426409671 is about 37767.8391094857. The cubic root of 1426409671 is about 1125.6795028457.

The spelling of 1426409671 in words is "one billion, four hundred twenty-six million, four hundred nine thousand, six hundred seventy-one".