6240287659 has 4 divisors (see below), whose sum is σ = 6243735240. Its totient is φ = 6236840080.

The previous prime is 6240287593. The next prime is 6240287663. The reversal of 6240287659 is 9567820426.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9567820426 = 2 ⋅4783910213.

It is a cyclic number.

It is not a de Polignac number, because 6240287659 - 2⁷ = 6240287531 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6240297659) 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, 1721074 + ... + 1724695.

It is an arithmetic number, because the mean of its divisors is an integer number (1560933810).

Almost surely, 2^6240287659 is an apocalyptic number.

6240287659 is a deficient number, since it is larger than the sum of its proper divisors (3447581).

6240287659 is a wasteful number, since it uses less digits than its factorization.

6240287659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3447580.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The square root of 6240287659 is about 78995.4913840024. The cubic root of 6240287659 is about 1841.0611061144.

The spelling of 6240287659 in words is "six billion, two hundred forty million, two hundred eighty-seven thousand, six hundred fifty-nine".