6501491442 has 96 divisors (see below), whose sum is σ = 14763700224. Its totient is φ = 2065996800.

The previous prime is 6501491419. The next prime is 6501491467. The reversal of 6501491442 is 2441941056.

6501491442 is a `hidden beast` number, since 6 + 501 + 4 + 9 + 144 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 6501491397 and 6501491406.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6654058 + ... + 6655034.

It is an arithmetic number, because the mean of its divisors is an integer number (153788544).

Almost surely, 2^6501491442 is an apocalyptic number.

6501491442 is an abundant number, since it is smaller than the sum of its proper divisors (8262208782).

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

6501491442 is a wasteful number, since it uses less digits than its factorization.

6501491442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224 (or 1221 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 6501491442 is about 80631.8264830954. The cubic root of 6501491442 is about 1866.3983065672.

The spelling of 6501491442 in words is "six billion, five hundred one million, four hundred ninety-one thousand, four hundred forty-two".