69440101 has 4 divisors (see below), whose sum is σ = 71133804. Its totient is φ = 67746400.

The previous prime is 69440099. The next prime is 69440149. The reversal of 69440101 is 10104496.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31371201 + 38068900 = 5601^2 + 6170^2 .

It is a cyclic number.

It is not a de Polignac number, because 69440101 - 2¹ = 69440099 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 (69440401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 846790 + ... + 846871.

It is an arithmetic number, because the mean of its divisors is an integer number (17783451).

Almost surely, 2^69440101 is an apocalyptic number.

It is an amenable number.

69440101 is a deficient number, since it is larger than the sum of its proper divisors (1693703).

69440101 is a wasteful number, since it uses less digits than its factorization.

69440101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693702.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 69440101 is about 8333.0727225916. The cubic root of 69440101 is about 411.0267760590.

Adding to 69440101 its reverse (10104496), we get a palindrome (79544597).

The spelling of 69440101 in words is "sixty-nine million, four hundred forty thousand, one hundred one".