65260649730 has 32 divisors (see below), whose sum is σ = 156695736384. Its totient is φ = 17395042496.

The previous prime is 65260649681. The next prime is 65260649759. The reversal of 65260649730 is 3794606256.

It is a self number, because there is not a number n which added to its sum of digits gives 65260649730.

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 15 ways as a sum of consecutive naturals, for example, 419112 + ... + 553331.

It is an arithmetic number, because the mean of its divisors is an integer number (4896741762).

Almost surely, 2^65260649730 is an apocalyptic number.

65260649730 is an abundant number, since it is smaller than the sum of its proper divisors (91435086654).

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

65260649730 is a wasteful number, since it uses less digits than its factorization.

65260649730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974690.

The product of its (nonzero) digits is 1632960, while the sum is 48.

The spelling of 65260649730 in words is "sixty-five billion, two hundred sixty million, six hundred forty-nine thousand, seven hundred thirty".