69666673325 has 6 divisors (see below), whose sum is σ = 86386674954. Its totient is φ = 55733338640.

The previous prime is 69666673313. The next prime is 69666673327. The reversal of 69666673325 is 52337666696.

It can be written as a sum of positive squares in 3 ways, for example, as 14977109161 + 54689564164 = 122381^2 + 233858^2 .

It is not a de Polignac number, because 69666673325 - 2¹⁸ = 69666411181 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69666673327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1393333442 + ... + 1393333491.

It is an arithmetic number, because the mean of its divisors is an integer number (14397779159).

Almost surely, 2^69666673325 is an apocalyptic number.

It is an amenable number.

69666673325 is a deficient number, since it is larger than the sum of its proper divisors (16720001629).

69666673325 is a wasteful number, since it uses less digits than its factorization.

69666673325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786666943 (or 2786666938 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 59.

The spelling of 69666673325 in words is "sixty-nine billion, six hundred sixty-six million, six hundred seventy-three thousand, three hundred twenty-five".