65245913522 has 16 divisors (see below), whose sum is σ = 99988445952. Its totient is φ = 31916949120.

The previous prime is 65245913471. The next prime is 65245913533. The reversal of 65245913522 is 22531954256.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 126818 + ... + 382850.

It is an arithmetic number, because the mean of its divisors is an integer number (6249277872).

Almost surely, 2^65245913522 is an apocalyptic number.

65245913522 is a deficient number, since it is larger than the sum of its proper divisors (34742532430).

65245913522 is a wasteful number, since it uses less digits than its factorization.

65245913522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258793.

The product of its digits is 648000, while the sum is 44.

The spelling of 65245913522 in words is "sixty-five billion, two hundred forty-five million, nine hundred thirteen thousand, five hundred twenty-two".