7482421809425 has 6 divisors (see below), whose sum is σ = 9278203043718. Its totient is φ = 5985937447520.

The previous prime is 7482421809413. The next prime is 7482421809463. The reversal of 7482421809425 is 5249081242847.

It can be written as a sum of positive squares in 3 ways, for example, as 488703059329 + 6993718750096 = 699073^2 + 2644564^2 .

It is not a de Polignac number, because 7482421809425 - 2⁶ = 7482421809361 is a prime.

It is a super-2 number, since 2×7482421809425² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 149648436164 + ... + 149648436213.

It is an arithmetic number, because the mean of its divisors is an integer number (1546367173953).

Almost surely, 2^{7482421809425} is an apocalyptic number.

It is an amenable number.

7482421809425 is a deficient number, since it is larger than the sum of its proper divisors (1795781234293).

7482421809425 is a wasteful number, since it uses less digits than its factorization.

7482421809425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299296872387 (or 299296872382 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 56.

The spelling of 7482421809425 in words is "seven trillion, four hundred eighty-two billion, four hundred twenty-one million, eight hundred nine thousand, four hundred twenty-five".