6484242505 has 8 divisors (see below), whose sum is σ = 8379636552. Its totient is φ = 4788363648.

The previous prime is 6484242497. The next prime is 6484242551. The reversal of 6484242505 is 5052424846.

It can be written as a sum of positive squares in 4 ways, for example, as 159062544 + 6325179961 = 12612^2 + 79531^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6484242505 - 2³ = 6484242497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49878724 + ... + 49878853.

It is an arithmetic number, because the mean of its divisors is an integer number (1047454569).

Almost surely, 2^6484242505 is an apocalyptic number.

6484242505 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6484242505 is a deficient number, since it is larger than the sum of its proper divisors (1895394047).

6484242505 is a wasteful number, since it uses less digits than its factorization.

6484242505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99757595.

The product of its (nonzero) digits is 307200, while the sum is 40.

The square root of 6484242505 is about 80524.7943493183. The cubic root of 6484242505 is about 1864.7462805354.

The spelling of 6484242505 in words is "six billion, four hundred eighty-four million, two hundred forty-two thousand, five hundred five".