65651297330 has 8 divisors (see below), whose sum is σ = 118172335212. Its totient is φ = 26260518928.

The previous prime is 65651297329. The next prime is 65651297333. The reversal of 65651297330 is 3379215656.

65651297330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 65309380249 + 341917081 = 255557^2 + 18491^2 .

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

It is a super-2 number, since 2×65651297330² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65651297333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3282564857 + ... + 3282564876.

Almost surely, 2^65651297330 is an apocalyptic number.

65651297330 is a deficient number, since it is larger than the sum of its proper divisors (52521037882).

65651297330 is a wasteful number, since it uses less digits than its factorization.

65651297330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6565129740.

The product of its (nonzero) digits is 1020600, while the sum is 47.

The spelling of 65651297330 in words is "sixty-five billion, six hundred fifty-one million, two hundred ninety-seven thousand, three hundred thirty".