69066468025 has 9 divisors (see below), whose sum is σ = 85644049773. Its totient is φ = 55252123200.

The previous prime is 69066468007. The next prime is 69066468061. The reversal of 69066468025 is 52086466096.

The square root of 69066468025 is 262805.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 4471195689 + 64595272336 = 66867^2 + 254156^2 .

It is not a de Polignac number, because 69066468025 - 2²³ = 69058079417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1287745 + ... + 1340305.

Almost surely, 2^69066468025 is an apocalyptic number.

69066468025 is the 262805-th square number.

69066468025 is the 131403-rd centered octagonal number.

It is an amenable number.

69066468025 is a deficient number, since it is larger than the sum of its proper divisors (16577581748).

69066468025 is an frugal number, since it uses more digits than its factorization.

69066468025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105132 (or 52566 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 69066468025 in words is "sixty-nine billion, sixty-six million, four hundred sixty-eight thousand, twenty-five".