7450105813425 has 108 divisors (see below), whose sum is σ = 14684107461660. Its totient is φ = 3608042169600.

The previous prime is 7450105813421. The next prime is 7450105813439. The reversal of 7450105813425 is 5243185010547.

7450105813425 is a `hidden beast` number, since 7 + 4 + 5 + 0 + 10 + 581 + 34 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 1578631824 + 7448527181601 = 39732^2 + 2729199^2 .

It is not a de Polignac number, because 7450105813425 - 2² = 7450105813421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (7450105813421) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 23720311 + ... + 24032339.

Almost surely, 2^{7450105813425} is an apocalyptic number.

7450105813425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7450105813425 is a deficient number, since it is larger than the sum of its proper divisors (7234001648235).

7450105813425 is a wasteful number, since it uses less digits than its factorization.

7450105813425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312944 (or 312925 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The spelling of 7450105813425 in words is "seven trillion, four hundred fifty billion, one hundred five million, eight hundred thirteen thousand, four hundred twenty-five".