6505255746 has 32 divisors (see below), whose sum is σ = 15770318400. Its totient is φ = 1971289440.

The previous prime is 6505255741. The next prime is 6505255747. The reversal of 6505255746 is 6475525056.

6505255746 is a `hidden beast` number, since 6 + 5 + 0 + 52 + 557 + 46 = 666.

It is not an unprimeable number, because it can be changed into a prime (6505255741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5475211 + ... + 5476398.

It is an arithmetic number, because the mean of its divisors is an integer number (492822450).

Almost surely, 2^6505255746 is an apocalyptic number.

6505255746 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6505255746 is an abundant number, since it is smaller than the sum of its proper divisors (9265062654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6505255746 is a wasteful number, since it uses less digits than its factorization.

6505255746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10951631 (or 10951625 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 45.

The square root of 6505255746 is about 80655.1656498206. The cubic root of 6505255746 is about 1866.7584462456.

The spelling of 6505255746 in words is "six billion, five hundred five million, two hundred fifty-five thousand, seven hundred forty-six".