1474985729789 has 24 divisors (see below), whose sum is σ = 1746114668760. Its totient is φ = 1237653394560.

The previous prime is 1474985729731. The next prime is 1474985729801. The reversal of 1474985729789 is 9879275894741.

It can be written as a sum of positive squares in 4 ways, for example, as 1473792100 + 1473511937689 = 38390^2 + 1213883^2 .

It is not a de Polignac number, because 1474985729789 - 2²⁰ = 1474984681213 is a prime.

It is a super-3 number, since 3×1474985729789³ (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 (1474985729689) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25889867 + ... + 25946775.

It is an arithmetic number, because the mean of its divisors is an integer number (72754777865).

Almost surely, 2^{1474985729789} is an apocalyptic number.

It is an amenable number.

1474985729789 is a deficient number, since it is larger than the sum of its proper divisors (271128938971).

1474985729789 is a wasteful number, since it uses less digits than its factorization.

1474985729789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73421 (or 73410 counting only the distinct ones).

The product of its digits is 2560481280, while the sum is 80.

The spelling of 1474985729789 in words is "one trillion, four hundred seventy-four billion, nine hundred eighty-five million, seven hundred twenty-nine thousand, seven hundred eighty-nine".