6506464261 has 4 divisors (see below), whose sum is σ = 7097961024. Its totient is φ = 5914967500.

The previous prime is 6506464259. The next prime is 6506464267. The reversal of 6506464261 is 1624646056.

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 6506464261 - 2¹ = 6506464259 is a prime.

It is a super-2 number, since 2×6506464261² = 84668154359340552242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6506464267) 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, 295748365 + ... + 295748386.

It is an arithmetic number, because the mean of its divisors is an integer number (1774490256).

Almost surely, 2^6506464261 is an apocalyptic number.

It is an amenable number.

6506464261 is a deficient number, since it is larger than the sum of its proper divisors (591496763).

6506464261 is a wasteful number, since it uses less digits than its factorization.

6506464261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591496762.

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 6506464261 is about 80662.6571655063. The cubic root of 6506464261 is about 1866.8740382111.

The spelling of 6506464261 in words is "six billion, five hundred six million, four hundred sixty-four thousand, two hundred sixty-one".