1428714269439 has 64 divisors (see below), whose sum is σ = 2030935818240. Its totient is φ = 892050001920.

The previous prime is 1428714269347. The next prime is 1428714269441. The reversal of 1428714269439 is 9349624178241.

It is not a de Polignac number, because 1428714269439 - 2⁸ = 1428714269183 is a prime.

It is a super-3 number, since 3×1428714269439³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428714269639) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 88947469 + ... + 88963529.

It is an arithmetic number, because the mean of its divisors is an integer number (31733372160).

Almost surely, 2^{1428714269439} is an apocalyptic number.

1428714269439 is a deficient number, since it is larger than the sum of its proper divisors (602221548801).

1428714269439 is a wasteful number, since it uses less digits than its factorization.

1428714269439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16400.

The product of its digits is 20901888, while the sum is 60.

The spelling of 1428714269439 in words is "one trillion, four hundred twenty-eight billion, seven hundred fourteen million, two hundred sixty-nine thousand, four hundred thirty-nine".