1426289794 has 8 divisors (see below), whose sum is σ = 2139946380. Its totient is φ = 712974336.

The previous prime is 1426289789. The next prime is 1426289797. The reversal of 1426289794 is 4979826241.

It can be written as a sum of positive squares in 2 ways, for example, as 1345055625 + 81234169 = 36675^2 + 9013^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1426289797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74559 + ... + 91714.

Almost surely, 2^1426289794 is an apocalyptic number.

1426289794 is a deficient number, since it is larger than the sum of its proper divisors (713656586).

1426289794 is a wasteful number, since it uses less digits than its factorization.

1426289794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170564.

The product of its digits is 1741824, while the sum is 52.

The square root of 1426289794 is about 37766.2520512693. The cubic root of 1426289794 is about 1125.6479675243.

The spelling of 1426289794 in words is "one billion, four hundred twenty-six million, two hundred eighty-nine thousand, seven hundred ninety-four".