1428839694351 has 6 divisors (see below), whose sum is σ = 2063879558520. Its totient is φ = 952559796228.

The previous prime is 1428839694301. The next prime is 1428839694353. The reversal of 1428839694351 is 1534969388241.

1428839694351 is a `hidden beast` number, since 1 + 428 + 8 + 3 + 96 + 94 + 35 + 1 = 666.

It is not a de Polignac number, because 1428839694351 - 2⁹ = 1428839693839 is a prime.

It is a super-2 number, since 2×1428839694351² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428839694353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79379983011 + ... + 79379983028.

It is an arithmetic number, because the mean of its divisors is an integer number (343979926420).

Almost surely, 2^{1428839694351} is an apocalyptic number.

1428839694351 is a deficient number, since it is larger than the sum of its proper divisors (635039864169).

1428839694351 is a wasteful number, since it uses less digits than its factorization.

1428839694351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158759966045 (or 158759966042 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 63.

The spelling of 1428839694351 in words is "one trillion, four hundred twenty-eight billion, eight hundred thirty-nine million, six hundred ninety-four thousand, three hundred fifty-one".