69130427 has 2 divisors, whose sum is σ = 69130428. Its totient is φ = 69130426.

The previous prime is 69130423. The next prime is 69130429. The reversal of 69130427 is 72403196.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 69130427 - 2² = 69130423 is a prime.

Together with 69130429, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 69130393 and 69130402.

It is not a weakly prime, because it can be changed into another prime (69130423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34565213 + 34565214.

It is an arithmetic number, because the mean of its divisors is an integer number (34565214).

Almost surely, 2^69130427 is an apocalyptic number.

69130427 is a deficient number, since it is larger than the sum of its proper divisors (1).

69130427 is an equidigital number, since it uses as much as digits as its factorization.

69130427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 69130427 is about 8314.4709392721. The cubic root of 69130427 is about 410.4148626453.

The spelling of 69130427 in words is "sixty-nine million, one hundred thirty thousand, four hundred twenty-seven".