1428564749125 has 64 divisors (see below), whose sum is σ = 1909525363200. Its totient is φ = 1063865664000.

The previous prime is 1428564749123. The next prime is 1428564749147. The reversal of 1428564749125 is 5219474658241.

It is a happy number.

It is not a de Polignac number, because 1428564749125 - 2¹ = 1428564749123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1428564749125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428564749123) 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, 46622560 + ... + 46653190.

It is an arithmetic number, because the mean of its divisors is an integer number (29836333800).

Almost surely, 2^{1428564749125} is an apocalyptic number.

It is an amenable number.

1428564749125 is a deficient number, since it is larger than the sum of its proper divisors (480960614075).

1428564749125 is a wasteful number, since it uses less digits than its factorization.

1428564749125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31007 (or 30997 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 58.

The spelling of 1428564749125 in words is "one trillion, four hundred twenty-eight billion, five hundred sixty-four million, seven hundred forty-nine thousand, one hundred twenty-five".