1426673665 has 8 divisors (see below), whose sum is σ = 1712582208. Its totient is φ = 1140956400.

The previous prime is 1426673657. The next prime is 1426673671. The reversal of 1426673665 is 5663766241.

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

It is not a de Polignac number, because 1426673665 - 2³ = 1426673657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30861 + ... + 61690.

It is an arithmetic number, because the mean of its divisors is an integer number (214072776).

Almost surely, 2^1426673665 is an apocalyptic number.

It is an amenable number.

1426673665 is a deficient number, since it is larger than the sum of its proper divisors (285908543).

1426673665 is an equidigital number, since it uses as much as digits as its factorization.

1426673665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95639.

The product of its digits is 1088640, while the sum is 46.

The square root of 1426673665 is about 37771.3339054898. Note that the first 3 decimals coincide. The cubic root of 1426673665 is about 1125.7489439302.

The spelling of 1426673665 in words is "one billion, four hundred twenty-six million, six hundred seventy-three thousand, six hundred sixty-five".