6599485945 has 48 divisors (see below), whose sum is σ = 8879537520. Its totient is φ = 4677350400.

The previous prime is 6599485939. The next prime is 6599485951. The reversal of 6599485945 is 5495849956.

6599485945 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6599485939) and next prime (6599485951).

It can be written as a sum of positive squares in 24 ways, for example, as 1522638441 + 5076847504 = 39021^2 + 71252^2 .

It is not a de Polignac number, because 6599485945 - 2⁷ = 6599485817 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24533271 + ... + 24533539.

It is an arithmetic number, because the mean of its divisors is an integer number (184990365).

Almost surely, 2^6599485945 is an apocalyptic number.

6599485945 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6599485945 is a deficient number, since it is larger than the sum of its proper divisors (2280051575).

6599485945 is a wasteful number, since it uses less digits than its factorization.

6599485945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 425 counting only the distinct ones).

The product of its digits is 69984000, while the sum is 64.

The square root of 6599485945 is about 81237.2201949328. The cubic root of 6599485945 is about 1875.7287544671.

The spelling of 6599485945 in words is "six billion, five hundred ninety-nine million, four hundred eighty-five thousand, nine hundred forty-five".