65067869 has 2 divisors, whose sum is σ = 65067870. Its totient is φ = 65067868.

The previous prime is 65067859. The next prime is 65067883. The reversal of 65067869 is 96876056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36445369 + 28622500 = 6037^2 + 5350^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65067869 is a prime.

It is a super-2 number, since 2×65067869² = 8467655152402322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65067829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32533934 + 32533935.

It is an arithmetic number, because the mean of its divisors is an integer number (32533935).

Almost surely, 2^65067869 is an apocalyptic number.

It is an amenable number.

65067869 is a deficient number, since it is larger than the sum of its proper divisors (1).

65067869 is an equidigital number, since it uses as much as digits as its factorization.

65067869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 65067869 is about 8066.4657068632. The cubic root of 65067869 is about 402.2124669952.

The spelling of 65067869 in words is "sixty-five million, sixty-seven thousand, eight hundred sixty-nine".