6465196061 has 4 divisors (see below), whose sum is σ = 6602753472. Its totient is φ = 6327638652.

The previous prime is 6465196057. The next prime is 6465196079. The reversal of 6465196061 is 1606915646.

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 6465196061 - 2² = 6465196057 is a prime.

It is a super-3 number, since 3×6465196061³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6465196261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68778635 + ... + 68778728.

It is an arithmetic number, because the mean of its divisors is an integer number (1650688368).

Almost surely, 2^6465196061 is an apocalyptic number.

It is an amenable number.

6465196061 is a deficient number, since it is larger than the sum of its proper divisors (137557411).

6465196061 is a wasteful number, since it uses less digits than its factorization.

6465196061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137557410.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 6465196061 is about 80406.4429072696. The cubic root of 6465196061 is about 1862.9186901664.

The spelling of 6465196061 in words is "six billion, four hundred sixty-five million, one hundred ninety-six thousand, sixty-one".