6505169442 has 128 divisors (see below), whose sum is σ = 14764197888. Its totient is φ = 1899955200.

The previous prime is 6505169417. The next prime is 6505169471. The reversal of 6505169442 is 2449615056.

It is a junction number, because it is equal to n+sod(n) for n = 6505169394 and 6505169403.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 18746713 + ... + 18747059.

It is an arithmetic number, because the mean of its divisors is an integer number (115345296).

Almost surely, 2^6505169442 is an apocalyptic number.

6505169442 is an abundant number, since it is smaller than the sum of its proper divisors (8259028446).

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

6505169442 is a wasteful number, since it uses less digits than its factorization.

6505169442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584.

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 6505169442 is about 80654.6306296173. The cubic root of 6505169442 is about 1866.7501908984.

The spelling of 6505169442 in words is "six billion, five hundred five million, one hundred sixty-nine thousand, four hundred forty-two".