6687375459 has 32 divisors (see below), whose sum is σ = 9879220224. Its totient is φ = 4004951040.

The previous prime is 6687375439. The next prime is 6687375469. The reversal of 6687375459 is 9545737866.

It is not a de Polignac number, because 6687375459 - 2⁵ = 6687375427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6687375439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86442 + ... + 144384.

It is an arithmetic number, because the mean of its divisors is an integer number (308725632).

Almost surely, 2^6687375459 is an apocalyptic number.

6687375459 is a deficient number, since it is larger than the sum of its proper divisors (3191844765).

6687375459 is a wasteful number, since it uses less digits than its factorization.

6687375459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58067.

The product of its digits is 38102400, while the sum is 60.

The square root of 6687375459 is about 81776.3746995427. The cubic root of 6687375459 is about 1884.0188153714.

The spelling of 6687375459 in words is "six billion, six hundred eighty-seven million, three hundred seventy-five thousand, four hundred fifty-nine".