65412067369 has 4 divisors (see below), whose sum is σ = 71358618960. Its totient is φ = 59465515780.

The previous prime is 65412067337. The next prime is 65412067393. The reversal of 65412067369 is 96376021456.

It is a happy number.

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 not a de Polignac number, because 65412067369 - 2⁵ = 65412067337 is a prime.

It is a super-2 number, since 2×65412067369² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65412067309) 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, 2973275779 + ... + 2973275800.

It is an arithmetic number, because the mean of its divisors is an integer number (17839654740).

Almost surely, 2^65412067369 is an apocalyptic number.

It is an amenable number.

65412067369 is a deficient number, since it is larger than the sum of its proper divisors (5946551591).

65412067369 is a wasteful number, since it uses less digits than its factorization.

65412067369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5946551590.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 65412067369 in words is "sixty-five billion, four hundred twelve million, sixty-seven thousand, three hundred sixty-nine".