7803425569 has 3 divisors (see below), whose sum is σ = 7803513907. Its totient is φ = 7803337232.

The previous prime is 7803425563. The next prime is 7803425603. The reversal of 7803425569 is 9655243087.

The square root of 7803425569 is 88337.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9655243087 = 7 ⋅1379320441.

It can be written as a sum of positive squares in only one way, i.e., 1826280225 + 5977145344 = 42735^2 + 77312^2 .

It is a de Polignac number, because none of the positive numbers 2^k-7803425569 is a prime.

It is a super-2 number, since 2×7803425569² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7803425563) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 44169 + ... + 132505.

Almost surely, 2^7803425569 is an apocalyptic number.

7803425569 is the 88337-th square number.

7803425569 is the 44169-th centered octagonal number.

It is an amenable number.

7803425569 is a deficient number, since it is larger than the sum of its proper divisors (88338).

7803425569 is an frugal number, since it uses more digits than its factorization.

7803425569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176674 (or 88337 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

The cubic root of 7803425569 is about 1983.4827633821.

Multiplying 7803425569 by its sum of digits (49), we get a square (382367852881 = 618359²).

The spelling of 7803425569 in words is "seven billion, eight hundred three million, four hundred twenty-five thousand, five hundred sixty-nine".