65730894490 has 32 divisors (see below), whose sum is σ = 120864628224. Its totient is φ = 25726202880.

The previous prime is 65730894389. The next prime is 65730894499. The reversal of 65730894490 is 9449803756.

It is not an unprimeable number, because it can be changed into a prime (65730894499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2017530 + ... + 2049850.

It is an arithmetic number, because the mean of its divisors is an integer number (3777019632).

Almost surely, 2^65730894490 is an apocalyptic number.

65730894490 is a deficient number, since it is larger than the sum of its proper divisors (55133733734).

65730894490 is a wasteful number, since it uses less digits than its factorization.

65730894490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36702.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 65730894490 in words is "sixty-five billion, seven hundred thirty million, eight hundred ninety-four thousand, four hundred ninety".