6467500061 has 4 divisors (see below), whose sum is σ = 7055454624. Its totient is φ = 5879545500.

The previous prime is 6467500033. The next prime is 6467500073. The reversal of 6467500061 is 1600057646.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6467500061 - 2¹⁰ = 6467499037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6467499994 and 6467500030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6467500561) 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, 293977265 + ... + 293977286.

It is an arithmetic number, because the mean of its divisors is an integer number (1763863656).

Almost surely, 2^6467500061 is an apocalyptic number.

It is an amenable number.

6467500061 is a deficient number, since it is larger than the sum of its proper divisors (587954563).

6467500061 is a wasteful number, since it uses less digits than its factorization.

6467500061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587954562.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 6467500061 is about 80420.7688411395. The cubic root of 6467500061 is about 1863.1399598106.

The spelling of 6467500061 in words is "six billion, four hundred sixty-seven million, five hundred thousand, sixty-one".