7920583489 has 12 divisors (see below), whose sum is σ = 9922490004. Its totient is φ = 6266834784.

The previous prime is 7920583453. The next prime is 7920583493. The reversal of 7920583489 is 9843850297.

It can be written as a sum of positive squares in 2 ways, for example, as 5402250000 + 2518333489 = 73500^2 + 50183^2 .

It is not a de Polignac number, because 7920583489 - 2⁹ = 7920582977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7920583189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6216462 + ... + 6217735.

It is an arithmetic number, because the mean of its divisors is an integer number (826874167).

Almost surely, 2^7920583489 is an apocalyptic number.

It is an amenable number.

7920583489 is a deficient number, since it is larger than the sum of its proper divisors (2001906515).

7920583489 is a wasteful number, since it uses less digits than its factorization.

7920583489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12434224 (or 12434217 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 55.

The square root of 7920583489 is about 88997.6600198005. The cubic root of 7920583489 is about 1993.3599365926.

The spelling of 7920583489 in words is "seven billion, nine hundred twenty million, five hundred eighty-three thousand, four hundred eighty-nine".