1426543894 has 4 divisors (see below), whose sum is σ = 2139815844. Its totient is φ = 713271946.

The previous prime is 1426543891. The next prime is 1426543903. The reversal of 1426543894 is 4983456241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4983456241 = 137 ⋅36375593.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426543891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356635972 + ... + 356635975.

It is an arithmetic number, because the mean of its divisors is an integer number (534953961).

Almost surely, 2^1426543894 is an apocalyptic number.

1426543894 is a deficient number, since it is larger than the sum of its proper divisors (713271950).

1426543894 is an equidigital number, since it uses as much as digits as its factorization.

1426543894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713271949.

The product of its digits is 829440, while the sum is 46.

The square root of 1426543894 is about 37769.6160160518. The cubic root of 1426543894 is about 1125.7148099865.

The spelling of 1426543894 in words is "one billion, four hundred twenty-six million, five hundred forty-three thousand, eight hundred ninety-four".