69494941 has 4 divisors (see below), whose sum is σ = 69961500. Its totient is φ = 69028384.

The previous prime is 69494939. The next prime is 69494947. The reversal of 69494941 is 14949496.

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 26316900 + 43178041 = 5130^2 + 6571^2 .

It is a cyclic number.

It is not a de Polignac number, because 69494941 - 2¹ = 69494939 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69494891 and 69494900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69494947) 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, 233056 + ... + 233353.

It is an arithmetic number, because the mean of its divisors is an integer number (17490375).

Almost surely, 2^69494941 is an apocalyptic number.

It is an amenable number.

69494941 is a deficient number, since it is larger than the sum of its proper divisors (466559).

69494941 is a wasteful number, since it uses less digits than its factorization.

69494941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466558.

The product of its digits is 279936, while the sum is 46.

The square root of 69494941 is about 8336.3625760880. The cubic root of 69494941 is about 411.1349497553.

The spelling of 69494941 in words is "sixty-nine million, four hundred ninety-four thousand, nine hundred forty-one".