6464515530242 has 64 divisors (see below), whose sum is σ = 12812955217920. Its totient is φ = 2368204473600.

The previous prime is 6464515530233. The next prime is 6464515530257. The reversal of 6464515530242 is 2420355154646.

It is a super-2 number, since 2×6464515530242² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1531817 + ... + 3908387.

It is an arithmetic number, because the mean of its divisors is an integer number (200202425280).

Almost surely, 2^{6464515530242} is an apocalyptic number.

6464515530242 is a deficient number, since it is larger than the sum of its proper divisors (6348439687678).

6464515530242 is a wasteful number, since it uses less digits than its factorization.

6464515530242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377647.

The product of its (nonzero) digits is 3456000, while the sum is 47.

The spelling of 6464515530242 in words is "six trillion, four hundred sixty-four billion, five hundred fifteen million, five hundred thirty thousand, two hundred forty-two".