1428697031069 has 16 divisors (see below), whose sum is σ = 1784651584896. Its totient is φ = 1111133587200.

The previous prime is 1428697031057. The next prime is 1428697031183. The reversal of 1428697031069 is 9601307968241.

It is not a de Polignac number, because 1428697031069 - 2²⁴ = 1428680253853 is a prime.

It is a super-2 number, since 2×1428697031069² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428697031029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17766512 + ... + 17846745.

It is an arithmetic number, because the mean of its divisors is an integer number (111540724056).

Almost surely, 2^{1428697031069} is an apocalyptic number.

It is an amenable number.

1428697031069 is a deficient number, since it is larger than the sum of its proper divisors (355954553827).

1428697031069 is a wasteful number, since it uses less digits than its factorization.

1428697031069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35613796.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 1428697031069 in words is "one trillion, four hundred twenty-eight billion, six hundred ninety-seven million, thirty-one thousand, sixty-nine".