65597640970 has 8 divisors (see below), whose sum is σ = 118075753764. Its totient is φ = 26239056384.

The previous prime is 65597640959. The next prime is 65597640973. The reversal of 65597640970 is 7904679556.

It can be written as a sum of positive squares in 2 ways, for example, as 65219455161 + 378185809 = 255381^2 + 19447^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (65597640973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3279882039 + ... + 3279882058.

Almost surely, 2^65597640970 is an apocalyptic number.

65597640970 is a deficient number, since it is larger than the sum of its proper divisors (52478112794).

65597640970 is a wasteful number, since it uses less digits than its factorization.

65597640970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6559764104.

The product of its (nonzero) digits is 14288400, while the sum is 58.

The spelling of 65597640970 in words is "sixty-five billion, five hundred ninety-seven million, six hundred forty thousand, nine hundred seventy".