65033069381 has 4 divisors (see below), whose sum is σ = 74323507872. Its totient is φ = 55742630892.

The previous prime is 65033069329. The next prime is 65033069393. The reversal of 65033069381 is 18396033056.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65033069381 - 2⁶ = 65033069317 is a prime.

It is a super-2 number, since 2×65033069381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65033069081) 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, 4645219235 + ... + 4645219248.

It is an arithmetic number, because the mean of its divisors is an integer number (18580876968).

Almost surely, 2^65033069381 is an apocalyptic number.

It is an amenable number.

65033069381 is a deficient number, since it is larger than the sum of its proper divisors (9290438491).

65033069381 is an equidigital number, since it uses as much as digits as its factorization.

65033069381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9290438490.

The product of its (nonzero) digits is 349920, while the sum is 44.

The spelling of 65033069381 in words is "sixty-five billion, thirty-three million, sixty-nine thousand, three hundred eighty-one".