1426643549330 has 32 divisors (see below), whose sum is σ = 2631113498160. Its totient is φ = 556628474880.

The previous prime is 1426643549327. The next prime is 1426643549341. The reversal of 1426643549330 is 339453466241.

It can be written as a sum of positive squares in 8 ways, for example, as 838061518849 + 588582030481 = 915457^2 + 767191^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1738886 + ... + 2424254.

Almost surely, 2^{1426643549330} is an apocalyptic number.

1426643549330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1426643549330 is a deficient number, since it is larger than the sum of its proper divisors (1204469948830).

1426643549330 is a wasteful number, since it uses less digits than its factorization.

1426643549330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690494.

The product of its (nonzero) digits is 5598720, while the sum is 50.

The spelling of 1426643549330 in words is "one trillion, four hundred twenty-six billion, six hundred forty-three million, five hundred forty-nine thousand, three hundred thirty".