69000643 has 2 divisors, whose sum is σ = 69000644. Its totient is φ = 69000642.

The previous prime is 69000641. The next prime is 69000649. The reversal of 69000643 is 34600096.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 69000643 - 2¹ = 69000641 is a prime.

It is a super-2 number, since 2×69000643² = 9522177468826898, which contains 22 as substring.

Together with 69000641, it forms a pair of twin primes.

It is equal to p_4062709 and since 69000643 and 4062709 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (69000641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34500321 + 34500322.

It is an arithmetic number, because the mean of its divisors is an integer number (34500322).

Almost surely, 2^69000643 is an apocalyptic number.

69000643 is a deficient number, since it is larger than the sum of its proper divisors (1).

69000643 is an equidigital number, since it uses as much as digits as its factorization.

69000643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 69000643 is about 8306.6625668797. The cubic root of 69000643 is about 410.1578670276.

The spelling of 69000643 in words is "sixty-nine million, six hundred forty-three", and thus it is an aban number.