1426943205 has 48 divisors (see below), whose sum is σ = 2500857216. Its totient is φ = 752630400.

The previous prime is 1426943179. The next prime is 1426943227. The reversal of 1426943205 is 5023496241.

It is a happy number.

It is not a de Polignac number, because 1426943205 - 2¹¹ = 1426941157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1426943205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2534254 + ... + 2534816.

It is an arithmetic number, because the mean of its divisors is an integer number (52101192).

Almost surely, 2^1426943205 is an apocalyptic number.

1426943205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1426943205 is a deficient number, since it is larger than the sum of its proper divisors (1073914011).

1426943205 is a wasteful number, since it uses less digits than its factorization.

1426943205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098 (or 1095 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1426943205 is about 37774.9017867684. The cubic root of 1426943205 is about 1125.8198349991.

The spelling of 1426943205 in words is "one billion, four hundred twenty-six million, nine hundred forty-three thousand, two hundred five".