1428726695 has 16 divisors (see below), whose sum is σ = 1920885408. Its totient is φ = 1010989440.

The previous prime is 1428726683. The next prime is 1428726703. The reversal of 1428726695 is 5966278241.

It is not a de Polignac number, because 1428726695 - 2¹² = 1428722599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349004 + ... + 353073.

It is an arithmetic number, because the mean of its divisors is an integer number (120055338).

Almost surely, 2^1428726695 is an apocalyptic number.

1428726695 is a deficient number, since it is larger than the sum of its proper divisors (492158713).

1428726695 is a wasteful number, since it uses less digits than its factorization.

1428726695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702130.

The product of its digits is 1451520, while the sum is 50.

The square root of 1428726695 is about 37798.5012269005. The cubic root of 1428726695 is about 1126.2886816122.

The spelling of 1428726695 in words is "one billion, four hundred twenty-eight million, seven hundred twenty-six thousand, six hundred ninety-five".