5425391587009 has 27 divisors (see below), whose sum is σ = 5647917876993. Its totient is φ = 5211457237800.

The previous prime is 5425391587001. The next prime is 5425391587061. The reversal of 5425391587009 is 9007851935245.

The square root of 5425391587009 is 2329247.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 5425391587009 - 2³ = 5425391587001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5425391587001) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 16390910974 + ... + 16390911304.

Almost surely, 2^{5425391587009} is an apocalyptic number.

5425391587009 is the 2329247-th square number.

5425391587009 is the 1164624-th centered octagonal number.

It is an amenable number.

5425391587009 is a deficient number, since it is larger than the sum of its proper divisors (222526289984).

5425391587009 is an frugal number, since it uses more digits than its factorization.

5425391587009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178 (or 589 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 58.

The spelling of 5425391587009 in words is "five trillion, four hundred twenty-five billion, three hundred ninety-one million, five hundred eighty-seven thousand, nine".