6497039567 has 4 divisors (see below), whose sum is σ = 6497317200. Its totient is φ = 6496761936.

The previous prime is 6497039561. The next prime is 6497039573. The reversal of 6497039567 is 7659307946.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7659307946 = 2 ⋅3829653973.

It is an interprime number because it is at equal distance from previous prime (6497039561) and next prime (6497039573).

It is a cyclic number.

It is not a de Polignac number, because 6497039567 - 2¹² = 6497035471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6497039561) 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, 100118 + ... + 151715.

It is an arithmetic number, because the mean of its divisors is an integer number (1624329300).

Almost surely, 2^6497039567 is an apocalyptic number.

6497039567 is a deficient number, since it is larger than the sum of its proper divisors (277633).

6497039567 is a wasteful number, since it uses less digits than its factorization.

6497039567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277632.

The product of its (nonzero) digits is 8573040, while the sum is 56.

The square root of 6497039567 is about 80604.2155659367. The cubic root of 6497039567 is about 1865.9722059168.

The spelling of 6497039567 in words is "six billion, four hundred ninety-seven million, thirty-nine thousand, five hundred sixty-seven".