69408461 has 2 divisors, whose sum is σ = 69408462. Its totient is φ = 69408460.

The previous prime is 69408431. The next prime is 69408491. The reversal of 69408461 is 16480496.

It is a balanced prime because it is at equal distance from previous prime (69408431) and next prime (69408491).

It can be written as a sum of positive squares in only one way, i.e., 63696361 + 5712100 = 7981^2 + 2390^2 .

It is a cyclic number.

It is not a de Polignac number, because 69408461 - 2¹⁴ = 69392077 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69408401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34704230 + 34704231.

It is an arithmetic number, because the mean of its divisors is an integer number (34704231).

Almost surely, 2^69408461 is an apocalyptic number.

It is an amenable number.

69408461 is a deficient number, since it is larger than the sum of its proper divisors (1).

69408461 is an equidigital number, since it uses as much as digits as its factorization.

69408461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 69408461 is about 8331.1740469156. The cubic root of 69408461 is about 410.9643392119.

The spelling of 69408461 in words is "sixty-nine million, four hundred eight thousand, four hundred sixty-one".