69939011 has 4 divisors (see below), whose sum is σ = 70045800. Its totient is φ = 69832224.

The previous prime is 69938993. The next prime is 69939017. The reversal of 69939011 is 11093996.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69939011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69939017) 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, 52406 + ... + 53723.

It is an arithmetic number, because the mean of its divisors is an integer number (17511450).

Almost surely, 2^69939011 is an apocalyptic number.

69939011 is a deficient number, since it is larger than the sum of its proper divisors (106789).

69939011 is a wasteful number, since it uses less digits than its factorization.

69939011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106788.

The product of its (nonzero) digits is 13122, while the sum is 38.

The square root of 69939011 is about 8362.9546812117. The cubic root of 69939011 is about 412.0088032649.

The spelling of 69939011 in words is "sixty-nine million, nine hundred thirty-nine thousand, eleven".