65980252029 has 8 divisors (see below), whose sum is σ = 88308171072. Its totient is φ = 43819583840.

The previous prime is 65980251991. The next prime is 65980252031. The reversal of 65980252029 is 92025208956.

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 65980252029 - 2⁸ = 65980251773 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65980292029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41811792 + ... + 41813369.

It is an arithmetic number, because the mean of its divisors is an integer number (11038521384).

Almost surely, 2^65980252029 is an apocalyptic number.

It is an amenable number.

65980252029 is a deficient number, since it is larger than the sum of its proper divisors (22327919043).

65980252029 is a wasteful number, since it uses less digits than its factorization.

65980252029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83625427.

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 65980252029 in words is "sixty-five billion, nine hundred eighty million, two hundred fifty-two thousand, twenty-nine".