65970899753 has 8 divisors (see below), whose sum is σ = 73641935136. Its totient is φ = 58578811200.

The previous prime is 65970899717. The next prime is 65970899773. The reversal of 65970899753 is 35799807956.

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

It is a cyclic number.

It is not a de Polignac number, because 65970899753 - 2⁶ = 65970899689 is a prime.

It is a super-2 number, since 2×65970899753² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65970899773) 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 7 ways as a sum of consecutive naturals, for example, 69736208 + ... + 69737153.

It is an arithmetic number, because the mean of its divisors is an integer number (9205241892).

Almost surely, 2^65970899753 is an apocalyptic number.

It is an amenable number.

65970899753 is a deficient number, since it is larger than the sum of its proper divisors (7671035383).

65970899753 is a wasteful number, since it uses less digits than its factorization.

65970899753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139473415.

The product of its (nonzero) digits is 128595600, while the sum is 68.

The spelling of 65970899753 in words is "sixty-five billion, nine hundred seventy million, eight hundred ninety-nine thousand, seven hundred fifty-three".