69042863 has 4 divisors (see below), whose sum is σ = 69128808. Its totient is φ = 68956920.

The previous prime is 69042839. The next prime is 69042943. The reversal of 69042863 is 36824096.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 69042863 - 2⁸ = 69042607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69045863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41756 + ... + 43377.

It is an arithmetic number, because the mean of its divisors is an integer number (17282202).

Almost surely, 2^69042863 is an apocalyptic number.

69042863 is a deficient number, since it is larger than the sum of its proper divisors (85945).

69042863 is an equidigital number, since it uses as much as digits as its factorization.

69042863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85944.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 69042863 is about 8309.2035117693. The cubic root of 69042863 is about 410.2415055448.

The spelling of 69042863 in words is "sixty-nine million, forty-two thousand, eight hundred sixty-three".