65066943963 has 8 divisors (see below), whose sum is σ = 99149628928. Its totient is φ = 37181110824.

The previous prime is 65066943883. The next prime is 65066943979. The reversal of 65066943963 is 36934966056.

It is a happy number.

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

It is not a de Polignac number, because 65066943963 - 2¹³ = 65066935771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65066943983) 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, 1549212931 + ... + 1549212972.

It is an arithmetic number, because the mean of its divisors is an integer number (12393703616).

Almost surely, 2^65066943963 is an apocalyptic number.

65066943963 is a deficient number, since it is larger than the sum of its proper divisors (34082684965).

65066943963 is a wasteful number, since it uses less digits than its factorization.

65066943963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3098425913.

The product of its (nonzero) digits is 18895680, while the sum is 57.

The spelling of 65066943963 in words is "sixty-five billion, sixty-six million, nine hundred forty-three thousand, nine hundred sixty-three".