69465725249 has 2 divisors, whose sum is σ = 69465725250. Its totient is φ = 69465725248.

The previous prime is 69465725177. The next prime is 69465725299. The reversal of 69465725249 is 94252756496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36716308225 + 32749417024 = 191615^2 + 180968^2 .

It is a cyclic number.

It is not a de Polignac number, because 69465725249 - 2³⁶ = 746248513 is a prime.

It is a super-2 number, since 2×69465725249² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (69465725299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34732862624 + 34732862625.

It is an arithmetic number, because the mean of its divisors is an integer number (34732862625).

Almost surely, 2^69465725249 is an apocalyptic number.

It is an amenable number.

69465725249 is a deficient number, since it is larger than the sum of its proper divisors (1).

69465725249 is an equidigital number, since it uses as much as digits as its factorization.

69465725249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32659200, while the sum is 59.

The spelling of 69465725249 in words is "sixty-nine billion, four hundred sixty-five million, seven hundred twenty-five thousand, two hundred forty-nine".