7796509489 has 4 divisors (see below), whose sum is σ = 7799264356. Its totient is φ = 7793754624.

The previous prime is 7796509481. The next prime is 7796509499. The reversal of 7796509489 is 9849056977.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1013339889 + 6783169600 = 31833^2 + 82360^2 .

It is a cyclic number.

It is not a de Polignac number, because 7796509489 - 2³ = 7796509481 is a prime.

It is a super-2 number, since 2×7796509489² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7796509489.

It is not an unprimeable number, because it can be changed into a prime (7796509481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1373184 + ... + 1378849.

It is an arithmetic number, because the mean of its divisors is an integer number (1949816089).

Almost surely, 2^7796509489 is an apocalyptic number.

It is an amenable number.

7796509489 is a deficient number, since it is larger than the sum of its proper divisors (2754867).

7796509489 is a wasteful number, since it uses less digits than its factorization.

7796509489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754866.

The product of its (nonzero) digits is 34292160, while the sum is 64.

The square root of 7796509489 is about 88297.8453247869. The cubic root of 7796509489 is about 1982.8966113978.

The spelling of 7796509489 in words is "seven billion, seven hundred ninety-six million, five hundred nine thousand, four hundred eighty-nine".